Home / 723,785.31-998,828.24-401,515.83

Finding the Fourth Proportional to 723,785.31, 998,828.24 and 401,515.83

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Solution

The fourth proportional to 723,785.31, 998,828.24 and 401,515.83 is: 554,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,785.31 : 998,828.24 = 401,515.83 : x
  2. Step 2: Convert to fraction form
    723,785.31/998,828.24 = 401,515.83/x
  3. Step 3: Cross multiply
    723,785.31x = 998,828.24 × 401,515.83
  4. Step 4: Simplify right side
    723,785.31x = 401,045,347,803.46
  5. Step 5: Solve for x
    x = 401,045,347,803.46/723,785.31
  6. Step 6: Final answer
    x = 554,094.35

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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.