Home / 452,278.76-678,432.54-227,516.36

Finding the Fourth Proportional to 452,278.76, 678,432.54 and 227,516.36

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Solution

The fourth proportional to 452,278.76, 678,432.54 and 227,516.36 is: 341,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,278.76 : 678,432.54 = 227,516.36 : x
  2. Step 2: Convert to fraction form
    452,278.76/678,432.54 = 227,516.36/x
  3. Step 3: Cross multiply
    452,278.76x = 678,432.54 × 227,516.36
  4. Step 4: Simplify right side
    452,278.76x = 154,354,502,006.35
  5. Step 5: Solve for x
    x = 154,354,502,006.35/452,278.76
  6. Step 6: Final answer
    x = 341,281.78

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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.