Home / 865,713.12-1,299,033.90-360,623.04

Finding the Fourth Proportional to 865,713.12, 1,299,033.90 and 360,623.04

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Solution

The fourth proportional to 865,713.12, 1,299,033.90 and 360,623.04 is: 541,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,713.12 : 1,299,033.90 = 360,623.04 : x
  2. Step 2: Convert to fraction form
    865,713.12/1,299,033.90 = 360,623.04/x
  3. Step 3: Cross multiply
    865,713.12x = 1,299,033.90 × 360,623.04
  4. Step 4: Simplify right side
    865,713.12x = 468,461,554,081.06
  5. Step 5: Solve for x
    x = 468,461,554,081.06/865,713.12
  6. Step 6: Final answer
    x = 541,127.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.