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Finding the Fourth Proportional to 721,547.76, 1,082,695.11 and 523,502.76

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Solution

The fourth proportional to 721,547.76, 1,082,695.11 and 523,502.76 is: 785,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,547.76 : 1,082,695.11 = 523,502.76 : x
  2. Step 2: Convert to fraction form
    721,547.76/1,082,695.11 = 523,502.76/x
  3. Step 3: Cross multiply
    721,547.76x = 1,082,695.11 × 523,502.76
  4. Step 4: Simplify right side
    721,547.76x = 566,793,880,420.48
  5. Step 5: Solve for x
    x = 566,793,880,420.48/721,547.76
  6. Step 6: Final answer
    x = 785,525.10

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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.