Home / 745,817.47-1,029,234.92-451,473.95

Finding the Fourth Proportional to 745,817.47, 1,029,234.92 and 451,473.95

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Solution

The fourth proportional to 745,817.47, 1,029,234.92 and 451,473.95 is: 623,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,817.47 : 1,029,234.92 = 451,473.95 : x
  2. Step 2: Convert to fraction form
    745,817.47/1,029,234.92 = 451,473.95/x
  3. Step 3: Cross multiply
    745,817.47x = 1,029,234.92 × 451,473.95
  4. Step 4: Simplify right side
    745,817.47x = 464,672,755,126.05
  5. Step 5: Solve for x
    x = 464,672,755,126.05/745,817.47
  6. Step 6: Final answer
    x = 623,038.18

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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.