Home / 671,874.40-1,007,811.60-482,917.60

Finding the Fourth Proportional to 671,874.40, 1,007,811.60 and 482,917.60

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Solution

The fourth proportional to 671,874.40, 1,007,811.60 and 482,917.60 is: 724,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,874.40 : 1,007,811.60 = 482,917.60 : x
  2. Step 2: Convert to fraction form
    671,874.40/1,007,811.60 = 482,917.60/x
  3. Step 3: Cross multiply
    671,874.40x = 1,007,811.60 × 482,917.60
  4. Step 4: Simplify right side
    671,874.40x = 486,689,959,124.16
  5. Step 5: Solve for x
    x = 486,689,959,124.16/671,874.40
  6. Step 6: Final answer
    x = 724,376.40

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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.