Home / 526,318.24-726,301.20-300,036.64

Finding the Fourth Proportional to 526,318.24, 726,301.20 and 300,036.64

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Solution

The fourth proportional to 526,318.24, 726,301.20 and 300,036.64 is: 414,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,318.24 : 726,301.20 = 300,036.64 : x
  2. Step 2: Convert to fraction form
    526,318.24/726,301.20 = 300,036.64/x
  3. Step 3: Cross multiply
    526,318.24x = 726,301.20 × 300,036.64
  4. Step 4: Simplify right side
    526,318.24x = 217,916,971,675.97
  5. Step 5: Solve for x
    x = 217,916,971,675.97/526,318.24
  6. Step 6: Final answer
    x = 414,040.32

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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.