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Finding the Fourth Proportional to 506,000.32, 757,425.84 and 318,618.16

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Solution

The fourth proportional to 506,000.32, 757,425.84 and 318,618.16 is: 476,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,000.32 : 757,425.84 = 318,618.16 : x
  2. Step 2: Convert to fraction form
    506,000.32/757,425.84 = 318,618.16/x
  3. Step 3: Cross multiply
    506,000.32x = 757,425.84 × 318,618.16
  4. Step 4: Simplify right side
    506,000.32x = 241,329,627,477.25
  5. Step 5: Solve for x
    x = 241,329,627,477.25/506,000.32
  6. Step 6: Final answer
    x = 476,935.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.