Home / 723,689.40-1,085,641.02-250,247.64

Finding the Fourth Proportional to 723,689.40, 1,085,641.02 and 250,247.64

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Solution

The fourth proportional to 723,689.40, 1,085,641.02 and 250,247.64 is: 375,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,689.40 : 1,085,641.02 = 250,247.64 : x
  2. Step 2: Convert to fraction form
    723,689.40/1,085,641.02 = 250,247.64/x
  3. Step 3: Cross multiply
    723,689.40x = 1,085,641.02 × 250,247.64
  4. Step 4: Simplify right side
    723,689.40x = 271,679,103,142.19
  5. Step 5: Solve for x
    x = 271,679,103,142.19/723,689.40
  6. Step 6: Final answer
    x = 375,408.43

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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.