Home / 855,642.76-1,180,796.34-473,676.28

Finding the Fourth Proportional to 855,642.76, 1,180,796.34 and 473,676.28

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Solution

The fourth proportional to 855,642.76, 1,180,796.34 and 473,676.28 is: 653,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,642.76 : 1,180,796.34 = 473,676.28 : x
  2. Step 2: Convert to fraction form
    855,642.76/1,180,796.34 = 473,676.28/x
  3. Step 3: Cross multiply
    855,642.76x = 1,180,796.34 × 473,676.28
  4. Step 4: Simplify right side
    855,642.76x = 559,315,217,768.82
  5. Step 5: Solve for x
    x = 559,315,217,768.82/855,642.76
  6. Step 6: Final answer
    x = 653,678.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.