Home / 743,654.66-1,026,243.41-404,122.91

Finding the Fourth Proportional to 743,654.66, 1,026,243.41 and 404,122.91

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Solution

The fourth proportional to 743,654.66, 1,026,243.41 and 404,122.91 is: 557,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,654.66 : 1,026,243.41 = 404,122.91 : x
  2. Step 2: Convert to fraction form
    743,654.66/1,026,243.41 = 404,122.91/x
  3. Step 3: Cross multiply
    743,654.66x = 1,026,243.41 × 404,122.91
  4. Step 4: Simplify right side
    743,654.66x = 414,728,466,065.69
  5. Step 5: Solve for x
    x = 414,728,466,065.69/743,654.66
  6. Step 6: Final answer
    x = 557,689.60

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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.