Home / 723,631.68-998,673.02-401,445.56

Finding the Fourth Proportional to 723,631.68, 998,673.02 and 401,445.56

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Solution

The fourth proportional to 723,631.68, 998,673.02 and 401,445.56 is: 554,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,631.68 : 998,673.02 = 401,445.56 : x
  2. Step 2: Convert to fraction form
    723,631.68/998,673.02 = 401,445.56/x
  3. Step 3: Cross multiply
    723,631.68x = 998,673.02 × 401,445.56
  4. Step 4: Simplify right side
    723,631.68x = 400,912,849,770.79
  5. Step 5: Solve for x
    x = 400,912,849,770.79/723,631.68
  6. Step 6: Final answer
    x = 554,028.88

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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.