Home / 662,376.15-988,470.27-658,587.17

Finding the Fourth Proportional to 662,376.15, 988,470.27 and 658,587.17

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Solution

The fourth proportional to 662,376.15, 988,470.27 and 658,587.17 is: 982,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,376.15 : 988,470.27 = 658,587.17 : x
  2. Step 2: Convert to fraction form
    662,376.15/988,470.27 = 658,587.17/x
  3. Step 3: Cross multiply
    662,376.15x = 988,470.27 × 658,587.17
  4. Step 4: Simplify right side
    662,376.15x = 650,993,840,219.61
  5. Step 5: Solve for x
    x = 650,993,840,219.61/662,376.15
  6. Step 6: Final answer
    x = 982,815.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.