Home / 676,520.60-1,013,468.70-376,464.20

Finding the Fourth Proportional to 676,520.60, 1,013,468.70 and 376,464.20

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Solution

The fourth proportional to 676,520.60, 1,013,468.70 and 376,464.20 is: 563,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,520.60 : 1,013,468.70 = 376,464.20 : x
  2. Step 2: Convert to fraction form
    676,520.60/1,013,468.70 = 376,464.20/x
  3. Step 3: Cross multiply
    676,520.60x = 1,013,468.70 × 376,464.20
  4. Step 4: Simplify right side
    676,520.60x = 381,534,683,370.54
  5. Step 5: Solve for x
    x = 381,534,683,370.54/676,520.60
  6. Step 6: Final answer
    x = 563,966.10

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1.5x scale

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.