Home / 749,246.60-1,124,574.60-394,515.20

Finding the Fourth Proportional to 749,246.60, 1,124,574.60 and 394,515.20

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Solution

The fourth proportional to 749,246.60, 1,124,574.60 and 394,515.20 is: 592,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,246.60 : 1,124,574.60 = 394,515.20 : x
  2. Step 2: Convert to fraction form
    749,246.60/1,124,574.60 = 394,515.20/x
  3. Step 3: Cross multiply
    749,246.60x = 1,124,574.60 × 394,515.20
  4. Step 4: Simplify right side
    749,246.60x = 443,661,773,233.92
  5. Step 5: Solve for x
    x = 443,661,773,233.92/749,246.60
  6. Step 6: Final answer
    x = 592,143.86

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Double scale
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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.