Home / 743,526.76-1,026,076.28-404,000.68

Finding the Fourth Proportional to 743,526.76, 1,026,076.28 and 404,000.68

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Solution

The fourth proportional to 743,526.76, 1,026,076.28 and 404,000.68 is: 557,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,526.76 : 1,026,076.28 = 404,000.68 : x
  2. Step 2: Convert to fraction form
    743,526.76/1,026,076.28 = 404,000.68/x
  3. Step 3: Cross multiply
    743,526.76x = 1,026,076.28 × 404,000.68
  4. Step 4: Simplify right side
    743,526.76x = 414,535,514,851.87
  5. Step 5: Solve for x
    x = 414,535,514,851.87/743,526.76
  6. Step 6: Final answer
    x = 557,526.02

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Half scale
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Double scale
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Similar ratio
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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.