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Finding the Fourth Proportional to 662,432.80, 914,160.72 and 360,628.96

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Solution

The fourth proportional to 662,432.80, 914,160.72 and 360,628.96 is: 497,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,432.80 : 914,160.72 = 360,628.96 : x
  2. Step 2: Convert to fraction form
    662,432.80/914,160.72 = 360,628.96/x
  3. Step 3: Cross multiply
    662,432.80x = 914,160.72 × 360,628.96
  4. Step 4: Simplify right side
    662,432.80x = 329,672,829,726.45
  5. Step 5: Solve for x
    x = 329,672,829,726.45/662,432.80
  6. Step 6: Final answer
    x = 497,669.85

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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.