Home / 891,719.66-1,337,298.50-292,541.20

Finding the Fourth Proportional to 891,719.66, 1,337,298.50 and 292,541.20

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Solution

The fourth proportional to 891,719.66, 1,337,298.50 and 292,541.20 is: 438,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,719.66 : 1,337,298.50 = 292,541.20 : x
  2. Step 2: Convert to fraction form
    891,719.66/1,337,298.50 = 292,541.20/x
  3. Step 3: Cross multiply
    891,719.66x = 1,337,298.50 × 292,541.20
  4. Step 4: Simplify right side
    891,719.66x = 391,214,899,799.00
  5. Step 5: Solve for x
    x = 391,214,899,799.00/891,719.66
  6. Step 6: Final answer
    x = 438,719.61

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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.