Home / 723,307.01-1,085,171.18-323,854.36

Finding the Fourth Proportional to 723,307.01, 1,085,171.18 and 323,854.36

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Solution

The fourth proportional to 723,307.01, 1,085,171.18 and 323,854.36 is: 485,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,307.01 : 1,085,171.18 = 323,854.36 : x
  2. Step 2: Convert to fraction form
    723,307.01/1,085,171.18 = 323,854.36/x
  3. Step 3: Cross multiply
    723,307.01x = 1,085,171.18 × 323,854.36
  4. Step 4: Simplify right side
    723,307.01x = 351,437,422,190.14
  5. Step 5: Solve for x
    x = 351,437,422,190.14/723,307.01
  6. Step 6: Final answer
    x = 485,875.87

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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.