Home / 865,630.18-1,304,353.82-711,315.46

Finding the Fourth Proportional to 865,630.18, 1,304,353.82 and 711,315.46

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Solution

The fourth proportional to 865,630.18, 1,304,353.82 and 711,315.46 is: 1,071,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,630.18 : 1,304,353.82 = 711,315.46 : x
  2. Step 2: Convert to fraction form
    865,630.18/1,304,353.82 = 711,315.46/x
  3. Step 3: Cross multiply
    865,630.18x = 1,304,353.82 × 711,315.46
  4. Step 4: Simplify right side
    865,630.18x = 927,807,037,476.06
  5. Step 5: Solve for x
    x = 927,807,037,476.06/865,630.18
  6. Step 6: Final answer
    x = 1,071,828.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.