Home / 755,278.78-1,042,373.33-424,189.00

Finding the Fourth Proportional to 755,278.78, 1,042,373.33 and 424,189.00

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Solution

The fourth proportional to 755,278.78, 1,042,373.33 and 424,189.00 is: 585,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,278.78 : 1,042,373.33 = 424,189.00 : x
  2. Step 2: Convert to fraction form
    755,278.78/1,042,373.33 = 424,189.00/x
  3. Step 3: Cross multiply
    755,278.78x = 1,042,373.33 × 424,189.00
  4. Step 4: Simplify right side
    755,278.78x = 442,163,302,445.13
  5. Step 5: Solve for x
    x = 442,163,302,445.13/755,278.78
  6. Step 6: Final answer
    x = 585,430.59

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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.