Home / 982,867.84-1,356,776.12-660,764.75

Finding the Fourth Proportional to 982,867.84, 1,356,776.12 and 660,764.75

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Solution

The fourth proportional to 982,867.84, 1,356,776.12 and 660,764.75 is: 912,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,867.84 : 1,356,776.12 = 660,764.75 : x
  2. Step 2: Convert to fraction form
    982,867.84/1,356,776.12 = 660,764.75/x
  3. Step 3: Cross multiply
    982,867.84x = 1,356,776.12 × 660,764.75
  4. Step 4: Simplify right side
    982,867.84x = 896,509,833,737.77
  5. Step 5: Solve for x
    x = 896,509,833,737.77/982,867.84
  6. Step 6: Final answer
    x = 912,136.71

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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.