Home / 612,049.20-918,073.80-588,721.20

Finding the Fourth Proportional to 612,049.20, 918,073.80 and 588,721.20

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Solution

The fourth proportional to 612,049.20, 918,073.80 and 588,721.20 is: 883,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,049.20 : 918,073.80 = 588,721.20 : x
  2. Step 2: Convert to fraction form
    612,049.20/918,073.80 = 588,721.20/x
  3. Step 3: Cross multiply
    612,049.20x = 918,073.80 × 588,721.20
  4. Step 4: Simplify right side
    612,049.20x = 540,489,509,224.56
  5. Step 5: Solve for x
    x = 540,489,509,224.56/612,049.20
  6. Step 6: Final answer
    x = 883,081.80

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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.