Home / 814,009.84-1,123,404.62-474,470.80

Finding the Fourth Proportional to 814,009.84, 1,123,404.62 and 474,470.80

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Solution

The fourth proportional to 814,009.84, 1,123,404.62 and 474,470.80 is: 654,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,009.84 : 1,123,404.62 = 474,470.80 : x
  2. Step 2: Convert to fraction form
    814,009.84/1,123,404.62 = 474,470.80/x
  3. Step 3: Cross multiply
    814,009.84x = 1,123,404.62 × 474,470.80
  4. Step 4: Simplify right side
    814,009.84x = 533,022,688,775.10
  5. Step 5: Solve for x
    x = 533,022,688,775.10/814,009.84
  6. Step 6: Final answer
    x = 654,811.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.