Home / 742,266.08-1,025,161.68-500,124.64

Finding the Fourth Proportional to 742,266.08, 1,025,161.68 and 500,124.64

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Solution

The fourth proportional to 742,266.08, 1,025,161.68 and 500,124.64 is: 690,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,266.08 : 1,025,161.68 = 500,124.64 : x
  2. Step 2: Convert to fraction form
    742,266.08/1,025,161.68 = 500,124.64/x
  3. Step 3: Cross multiply
    742,266.08x = 1,025,161.68 × 500,124.64
  4. Step 4: Simplify right side
    742,266.08x = 512,708,616,151.80
  5. Step 5: Solve for x
    x = 512,708,616,151.80/742,266.08
  6. Step 6: Final answer
    x = 690,734.27

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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.