Home / 720,129.52-1,079,526.56-246,702.40

Finding the Fourth Proportional to 720,129.52, 1,079,526.56 and 246,702.40

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Solution

The fourth proportional to 720,129.52, 1,079,526.56 and 246,702.40 is: 369,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,129.52 : 1,079,526.56 = 246,702.40 : x
  2. Step 2: Convert to fraction form
    720,129.52/1,079,526.56 = 246,702.40/x
  3. Step 3: Cross multiply
    720,129.52x = 1,079,526.56 × 246,702.40
  4. Step 4: Simplify right side
    720,129.52x = 266,321,793,215.74
  5. Step 5: Solve for x
    x = 266,321,793,215.74/720,129.52
  6. Step 6: Final answer
    x = 369,824.85

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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.