Home / 665,046.60-997,569.90-452,470.20

Finding the Fourth Proportional to 665,046.60, 997,569.90 and 452,470.20

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Solution

The fourth proportional to 665,046.60, 997,569.90 and 452,470.20 is: 678,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,046.60 : 997,569.90 = 452,470.20 : x
  2. Step 2: Convert to fraction form
    665,046.60/997,569.90 = 452,470.20/x
  3. Step 3: Cross multiply
    665,046.60x = 997,569.90 × 452,470.20
  4. Step 4: Simplify right side
    665,046.60x = 451,370,652,166.98
  5. Step 5: Solve for x
    x = 451,370,652,166.98/665,046.60
  6. Step 6: Final answer
    x = 678,705.30

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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.