Home / 750,042.23-1,035,061.00-405,878.13

Finding the Fourth Proportional to 750,042.23, 1,035,061.00 and 405,878.13

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Solution

The fourth proportional to 750,042.23, 1,035,061.00 and 405,878.13 is: 560,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,042.23 : 1,035,061.00 = 405,878.13 : x
  2. Step 2: Convert to fraction form
    750,042.23/1,035,061.00 = 405,878.13/x
  3. Step 3: Cross multiply
    750,042.23x = 1,035,061.00 × 405,878.13
  4. Step 4: Simplify right side
    750,042.23x = 420,108,621,542.97
  5. Step 5: Solve for x
    x = 420,108,621,542.97/750,042.23
  6. Step 6: Final answer
    x = 560,113.29

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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.