Home / 908,763.20-1,363,144.80-731,616.20

Finding the Fourth Proportional to 908,763.20, 1,363,144.80 and 731,616.20

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Solution

The fourth proportional to 908,763.20, 1,363,144.80 and 731,616.20 is: 1,097,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,763.20 : 1,363,144.80 = 731,616.20 : x
  2. Step 2: Convert to fraction form
    908,763.20/1,363,144.80 = 731,616.20/x
  3. Step 3: Cross multiply
    908,763.20x = 1,363,144.80 × 731,616.20
  4. Step 4: Simplify right side
    908,763.20x = 997,298,818,625.76
  5. Step 5: Solve for x
    x = 997,298,818,625.76/908,763.20
  6. Step 6: Final answer
    x = 1,097,424.30

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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.