Home / 744,122.05-1,026,881.20-404,590.30

Finding the Fourth Proportional to 744,122.05, 1,026,881.20 and 404,590.30

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Solution

The fourth proportional to 744,122.05, 1,026,881.20 and 404,590.30 is: 558,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,122.05 : 1,026,881.20 = 404,590.30 : x
  2. Step 2: Convert to fraction form
    744,122.05/1,026,881.20 = 404,590.30/x
  3. Step 3: Cross multiply
    744,122.05x = 1,026,881.20 × 404,590.30
  4. Step 4: Simplify right side
    744,122.05x = 415,466,172,772.36
  5. Step 5: Solve for x
    x = 415,466,172,772.36/744,122.05
  6. Step 6: Final answer
    x = 558,330.68

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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.