Home / 748,779.76-1,033,196.61-426,496.15

Finding the Fourth Proportional to 748,779.76, 1,033,196.61 and 426,496.15

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Solution

The fourth proportional to 748,779.76, 1,033,196.61 and 426,496.15 is: 588,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,779.76 : 1,033,196.61 = 426,496.15 : x
  2. Step 2: Convert to fraction form
    748,779.76/1,033,196.61 = 426,496.15/x
  3. Step 3: Cross multiply
    748,779.76x = 1,033,196.61 × 426,496.15
  4. Step 4: Simplify right side
    748,779.76x = 440,654,376,358.05
  5. Step 5: Solve for x
    x = 440,654,376,358.05/748,779.76
  6. Step 6: Final answer
    x = 588,496.64

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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.