Home / 874,856.13-1,207,301.46-472,448.13

Finding the Fourth Proportional to 874,856.13, 1,207,301.46 and 472,448.13

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Solution

The fourth proportional to 874,856.13, 1,207,301.46 and 472,448.13 is: 651,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,856.13 : 1,207,301.46 = 472,448.13 : x
  2. Step 2: Convert to fraction form
    874,856.13/1,207,301.46 = 472,448.13/x
  3. Step 3: Cross multiply
    874,856.13x = 1,207,301.46 × 472,448.13
  4. Step 4: Simplify right side
    874,856.13x = 570,387,317,123.27
  5. Step 5: Solve for x
    x = 570,387,317,123.27/874,856.13
  6. Step 6: Final answer
    x = 651,978.42

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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.