Home / 945,724.65-1,305,294.27-578,264.61

Finding the Fourth Proportional to 945,724.65, 1,305,294.27 and 578,264.61

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Solution

The fourth proportional to 945,724.65, 1,305,294.27 and 578,264.61 is: 798,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,724.65 : 1,305,294.27 = 578,264.61 : x
  2. Step 2: Convert to fraction form
    945,724.65/1,305,294.27 = 578,264.61/x
  3. Step 3: Cross multiply
    945,724.65x = 1,305,294.27 × 578,264.61
  4. Step 4: Simplify right side
    945,724.65x = 754,805,481,976.79
  5. Step 5: Solve for x
    x = 754,805,481,976.79/945,724.65
  6. Step 6: Final answer
    x = 798,123.94

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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.