Home / 729,411.57-1,094,259.17-280,099.42

Finding the Fourth Proportional to 729,411.57, 1,094,259.17 and 280,099.42

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Solution

The fourth proportional to 729,411.57, 1,094,259.17 and 280,099.42 is: 420,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,411.57 : 1,094,259.17 = 280,099.42 : x
  2. Step 2: Convert to fraction form
    729,411.57/1,094,259.17 = 280,099.42/x
  3. Step 3: Cross multiply
    729,411.57x = 1,094,259.17 × 280,099.42
  4. Step 4: Simplify right side
    729,411.57x = 306,501,356,811.28
  5. Step 5: Solve for x
    x = 306,501,356,811.28/729,411.57
  6. Step 6: Final answer
    x = 420,203.59

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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.