Home / 723,778.70-1,085,931.30-250,511.90

Finding the Fourth Proportional to 723,778.70, 1,085,931.30 and 250,511.90

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Solution

The fourth proportional to 723,778.70, 1,085,931.30 and 250,511.90 is: 375,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,778.70 : 1,085,931.30 = 250,511.90 : x
  2. Step 2: Convert to fraction form
    723,778.70/1,085,931.30 = 250,511.90/x
  3. Step 3: Cross multiply
    723,778.70x = 1,085,931.30 × 250,511.90
  4. Step 4: Simplify right side
    723,778.70x = 272,038,713,232.47
  5. Step 5: Solve for x
    x = 272,038,713,232.47/723,778.70
  6. Step 6: Final answer
    x = 375,858.97

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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.