Home / 723,308.01-1,085,172.68-323,855.36

Finding the Fourth Proportional to 723,308.01, 1,085,172.68 and 323,855.36

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Solution

The fourth proportional to 723,308.01, 1,085,172.68 and 323,855.36 is: 485,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,308.01 : 1,085,172.68 = 323,855.36 : x
  2. Step 2: Convert to fraction form
    723,308.01/1,085,172.68 = 323,855.36/x
  3. Step 3: Cross multiply
    723,308.01x = 1,085,172.68 × 323,855.36
  4. Step 4: Simplify right side
    723,308.01x = 351,438,988,943.57
  5. Step 5: Solve for x
    x = 351,438,988,943.57/723,308.01
  6. Step 6: Final answer
    x = 485,877.36

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1.5x scale

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.