Home / 971,378.20-1,456,484.10-498,986.20

Finding the Fourth Proportional to 971,378.20, 1,456,484.10 and 498,986.20

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Solution

The fourth proportional to 971,378.20, 1,456,484.10 and 498,986.20 is: 748,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,378.20 : 1,456,484.10 = 498,986.20 : x
  2. Step 2: Convert to fraction form
    971,378.20/1,456,484.10 = 498,986.20/x
  3. Step 3: Cross multiply
    971,378.20x = 1,456,484.10 × 498,986.20
  4. Step 4: Simplify right side
    971,378.20x = 726,765,466,419.42
  5. Step 5: Solve for x
    x = 726,765,466,419.42/971,378.20
  6. Step 6: Final answer
    x = 748,179.72

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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.