Home / 532,921.20-798,701.40-217,021.20

Finding the Fourth Proportional to 532,921.20, 798,701.40 and 217,021.20

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Solution

The fourth proportional to 532,921.20, 798,701.40 and 217,021.20 is: 325,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,921.20 : 798,701.40 = 217,021.20 : x
  2. Step 2: Convert to fraction form
    532,921.20/798,701.40 = 217,021.20/x
  3. Step 3: Cross multiply
    532,921.20x = 798,701.40 × 217,021.20
  4. Step 4: Simplify right side
    532,921.20x = 173,335,136,269.68
  5. Step 5: Solve for x
    x = 173,335,136,269.68/532,921.20
  6. Step 6: Final answer
    x = 325,254.72

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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.