Home / 855,632.51-1,180,786.79-468,441.39

Finding the Fourth Proportional to 855,632.51, 1,180,786.79 and 468,441.39

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Solution

The fourth proportional to 855,632.51, 1,180,786.79 and 468,441.39 is: 646,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,632.51 : 1,180,786.79 = 468,441.39 : x
  2. Step 2: Convert to fraction form
    855,632.51/1,180,786.79 = 468,441.39/x
  3. Step 3: Cross multiply
    855,632.51x = 1,180,786.79 × 468,441.39
  4. Step 4: Simplify right side
    855,632.51x = 553,129,408,165.31
  5. Step 5: Solve for x
    x = 553,129,408,165.31/855,632.51
  6. Step 6: Final answer
    x = 646,456.75

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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.