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Finding the Fourth Proportional to 922,492.68, 1,273,011.03 and 540,773.70

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Solution

The fourth proportional to 922,492.68, 1,273,011.03 and 540,773.70 is: 746,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,492.68 : 1,273,011.03 = 540,773.70 : x
  2. Step 2: Convert to fraction form
    922,492.68/1,273,011.03 = 540,773.70/x
  3. Step 3: Cross multiply
    922,492.68x = 1,273,011.03 × 540,773.70
  4. Step 4: Simplify right side
    922,492.68x = 688,410,884,833.91
  5. Step 5: Solve for x
    x = 688,410,884,833.91/922,492.68
  6. Step 6: Final answer
    x = 746,250.78

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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.