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Finding the Fourth Proportional to 514,302.30, 718,251.75 and 514,302.30

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Solution

The fourth proportional to 514,302.30, 718,251.75 and 514,302.30 is: 718,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,302.30 : 718,251.75 = 514,302.30 : x
  2. Step 2: Convert to fraction form
    514,302.30/718,251.75 = 514,302.30/x
  3. Step 3: Cross multiply
    514,302.30x = 718,251.75 × 514,302.30
  4. Step 4: Simplify right side
    514,302.30x = 369,398,527,004.03
  5. Step 5: Solve for x
    x = 369,398,527,004.03/514,302.30
  6. Step 6: Final answer
    x = 718,251.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.