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Finding the Fourth Proportional to 662,460.23, 914,195.11 and 360,654.23

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Solution

The fourth proportional to 662,460.23, 914,195.11 and 360,654.23 is: 497,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,460.23 : 914,195.11 = 360,654.23 : x
  2. Step 2: Convert to fraction form
    662,460.23/914,195.11 = 360,654.23/x
  3. Step 3: Cross multiply
    662,460.23x = 914,195.11 × 360,654.23
  4. Step 4: Simplify right side
    662,460.23x = 329,708,333,466.82
  5. Step 5: Solve for x
    x = 329,708,333,466.82/662,460.23
  6. Step 6: Final answer
    x = 497,702.83

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Double scale
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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.