Home / 723,852.38-998,917.46-401,562.49

Finding the Fourth Proportional to 723,852.38, 998,917.46 and 401,562.49

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Solution

The fourth proportional to 723,852.38, 998,917.46 and 401,562.49 is: 554,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,852.38 : 998,917.46 = 401,562.49 : x
  2. Step 2: Convert to fraction form
    723,852.38/998,917.46 = 401,562.49/x
  3. Step 3: Cross multiply
    723,852.38x = 998,917.46 × 401,562.49
  4. Step 4: Simplify right side
    723,852.38x = 401,127,780,865.13
  5. Step 5: Solve for x
    x = 401,127,780,865.13/723,852.38
  6. Step 6: Final answer
    x = 554,156.88

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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.