Home / 986,306.30-1,479,350.10-808,503.20

Finding the Fourth Proportional to 986,306.30, 1,479,350.10 and 808,503.20

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Solution

The fourth proportional to 986,306.30, 1,479,350.10 and 808,503.20 is: 1,212,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,306.30 : 1,479,350.10 = 808,503.20 : x
  2. Step 2: Convert to fraction form
    986,306.30/1,479,350.10 = 808,503.20/x
  3. Step 3: Cross multiply
    986,306.30x = 1,479,350.10 × 808,503.20
  4. Step 4: Simplify right side
    986,306.30x = 1,196,059,289,770.32
  5. Step 5: Solve for x
    x = 1,196,059,289,770.32/986,306.30
  6. Step 6: Final answer
    x = 1,212,665.16

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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.