Home / 982,870.80-1,474,306.20-318,022.80

Finding the Fourth Proportional to 982,870.80, 1,474,306.20 and 318,022.80

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Solution

The fourth proportional to 982,870.80, 1,474,306.20 and 318,022.80 is: 477,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,870.80 : 1,474,306.20 = 318,022.80 : x
  2. Step 2: Convert to fraction form
    982,870.80/1,474,306.20 = 318,022.80/x
  3. Step 3: Cross multiply
    982,870.80x = 1,474,306.20 × 318,022.80
  4. Step 4: Simplify right side
    982,870.80x = 468,862,985,781.36
  5. Step 5: Solve for x
    x = 468,862,985,781.36/982,870.80
  6. Step 6: Final answer
    x = 477,034.20

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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.