Home / 763,126.90-1,053,119.19-476,813.05

Finding the Fourth Proportional to 763,126.90, 1,053,119.19 and 476,813.05

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Solution

The fourth proportional to 763,126.90, 1,053,119.19 and 476,813.05 is: 658,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,126.90 : 1,053,119.19 = 476,813.05 : x
  2. Step 2: Convert to fraction form
    763,126.90/1,053,119.19 = 476,813.05/x
  3. Step 3: Cross multiply
    763,126.90x = 1,053,119.19 × 476,813.05
  4. Step 4: Simplify right side
    763,126.90x = 502,140,972,997.43
  5. Step 5: Solve for x
    x = 502,140,972,997.43/763,126.90
  6. Step 6: Final answer
    x = 658,004.55

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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.