Home / 851,553.76-1,175,118.96-469,580.48

Finding the Fourth Proportional to 851,553.76, 1,175,118.96 and 469,580.48

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Solution

The fourth proportional to 851,553.76, 1,175,118.96 and 469,580.48 is: 648,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,553.76 : 1,175,118.96 = 469,580.48 : x
  2. Step 2: Convert to fraction form
    851,553.76/1,175,118.96 = 469,580.48/x
  3. Step 3: Cross multiply
    851,553.76x = 1,175,118.96 × 469,580.48
  4. Step 4: Simplify right side
    851,553.76x = 551,812,925,293.90
  5. Step 5: Solve for x
    x = 551,812,925,293.90/851,553.76
  6. Step 6: Final answer
    x = 648,007.15

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1.5x scale

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.