Home / 783,143.38-1,175,240-502,857.46

Finding the Fourth Proportional to 783,143.38, 1,175,240 and 502,857.46

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Solution

The fourth proportional to 783,143.38, 1,175,240 and 502,857.46 is: 754,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,143.38 : 1,175,240 = 502,857.46 : x
  2. Step 2: Convert to fraction form
    783,143.38/1,175,240 = 502,857.46/x
  3. Step 3: Cross multiply
    783,143.38x = 1,175,240 × 502,857.46
  4. Step 4: Simplify right side
    783,143.38x = 590,978,201,290.40
  5. Step 5: Solve for x
    x = 590,978,201,290.40/783,143.38
  6. Step 6: Final answer
    x = 754,623.25

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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.