Home / 779,572.30-1,169,254.56-247,147.15

Finding the Fourth Proportional to 779,572.30, 1,169,254.56 and 247,147.15

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Solution

The fourth proportional to 779,572.30, 1,169,254.56 and 247,147.15 is: 370,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,572.30 : 1,169,254.56 = 247,147.15 : x
  2. Step 2: Convert to fraction form
    779,572.30/1,169,254.56 = 247,147.15/x
  3. Step 3: Cross multiply
    779,572.30x = 1,169,254.56 × 247,147.15
  4. Step 4: Simplify right side
    779,572.30x = 288,977,932,128.50
  5. Step 5: Solve for x
    x = 288,977,932,128.50/779,572.30
  6. Step 6: Final answer
    x = 370,687.79

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.