Home / 982,867.84-1,356,776.12-660,764.76

Finding the Fourth Proportional to 982,867.84, 1,356,776.12 and 660,764.76

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Solution

The fourth proportional to 982,867.84, 1,356,776.12 and 660,764.76 is: 912,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,867.84 : 1,356,776.12 = 660,764.76 : x
  2. Step 2: Convert to fraction form
    982,867.84/1,356,776.12 = 660,764.76/x
  3. Step 3: Cross multiply
    982,867.84x = 1,356,776.12 × 660,764.76
  4. Step 4: Simplify right side
    982,867.84x = 896,509,847,305.53
  5. Step 5: Solve for x
    x = 896,509,847,305.53/982,867.84
  6. Step 6: Final answer
    x = 912,136.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.