Home / 814,035.04-1,123,168-487,455.36

Finding the Fourth Proportional to 814,035.04, 1,123,168 and 487,455.36

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Solution

The fourth proportional to 814,035.04, 1,123,168 and 487,455.36 is: 672,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,035.04 : 1,123,168 = 487,455.36 : x
  2. Step 2: Convert to fraction form
    814,035.04/1,123,168 = 487,455.36/x
  3. Step 3: Cross multiply
    814,035.04x = 1,123,168 × 487,455.36
  4. Step 4: Simplify right side
    814,035.04x = 547,494,261,780.48
  5. Step 5: Solve for x
    x = 547,494,261,780.48/814,035.04
  6. Step 6: Final answer
    x = 672,568.42

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1.5x scale

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.