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Finding the Fourth Proportional to 737,751.17, 1,018,140 and 451,326.15

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Solution

The fourth proportional to 737,751.17, 1,018,140 and 451,326.15 is: 622,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,751.17 : 1,018,140 = 451,326.15 : x
  2. Step 2: Convert to fraction form
    737,751.17/1,018,140 = 451,326.15/x
  3. Step 3: Cross multiply
    737,751.17x = 1,018,140 × 451,326.15
  4. Step 4: Simplify right side
    737,751.17x = 459,513,206,361
  5. Step 5: Solve for x
    x = 459,513,206,361/737,751.17
  6. Step 6: Final answer
    x = 622,856.63

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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.