Home / 723,785.16-998,943.12-401,599.04

Finding the Fourth Proportional to 723,785.16, 998,943.12 and 401,599.04

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Solution

The fourth proportional to 723,785.16, 998,943.12 and 401,599.04 is: 554,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,785.16 : 998,943.12 = 401,599.04 : x
  2. Step 2: Convert to fraction form
    723,785.16/998,943.12 = 401,599.04/x
  3. Step 3: Cross multiply
    723,785.16x = 998,943.12 × 401,599.04
  4. Step 4: Simplify right side
    723,785.16x = 401,174,598,006.61
  5. Step 5: Solve for x
    x = 401,174,598,006.61/723,785.16
  6. Step 6: Final answer
    x = 554,273.04

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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.