Home / 855,901.32-1,181,129.36-473,919.90

Finding the Fourth Proportional to 855,901.32, 1,181,129.36 and 473,919.90

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Solution

The fourth proportional to 855,901.32, 1,181,129.36 and 473,919.90 is: 654,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,901.32 : 1,181,129.36 = 473,919.90 : x
  2. Step 2: Convert to fraction form
    855,901.32/1,181,129.36 = 473,919.90/x
  3. Step 3: Cross multiply
    855,901.32x = 1,181,129.36 × 473,919.90
  4. Step 4: Simplify right side
    855,901.32x = 559,760,708,178.26
  5. Step 5: Solve for x
    x = 559,760,708,178.26/855,901.32
  6. Step 6: Final answer
    x = 654,001.45

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Double scale
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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.