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Finding the Fourth Proportional to 524,500.74, 723,801.42 and 306,730.26

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Solution

The fourth proportional to 524,500.74, 723,801.42 and 306,730.26 is: 423,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,500.74 : 723,801.42 = 306,730.26 : x
  2. Step 2: Convert to fraction form
    524,500.74/723,801.42 = 306,730.26/x
  3. Step 3: Cross multiply
    524,500.74x = 723,801.42 × 306,730.26
  4. Step 4: Simplify right side
    524,500.74x = 222,011,797,744.97
  5. Step 5: Solve for x
    x = 222,011,797,744.97/524,500.74
  6. Step 6: Final answer
    x = 423,282.14

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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.