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Finding the Fourth Proportional to 537,810.60, 806,715.90 and 451,205.40

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Solution

The fourth proportional to 537,810.60, 806,715.90 and 451,205.40 is: 676,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,810.60 : 806,715.90 = 451,205.40 : x
  2. Step 2: Convert to fraction form
    537,810.60/806,715.90 = 451,205.40/x
  3. Step 3: Cross multiply
    537,810.60x = 806,715.90 × 451,205.40
  4. Step 4: Simplify right side
    537,810.60x = 363,994,570,345.86
  5. Step 5: Solve for x
    x = 363,994,570,345.86/537,810.60
  6. Step 6: Final answer
    x = 676,808.10

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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.