Home / 861,457.02-1,187,535.87-551,325.42

Finding the Fourth Proportional to 861,457.02, 1,187,535.87 and 551,325.42

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Solution

The fourth proportional to 861,457.02, 1,187,535.87 and 551,325.42 is: 760,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,457.02 : 1,187,535.87 = 551,325.42 : x
  2. Step 2: Convert to fraction form
    861,457.02/1,187,535.87 = 551,325.42/x
  3. Step 3: Cross multiply
    861,457.02x = 1,187,535.87 × 551,325.42
  4. Step 4: Simplify right side
    861,457.02x = 654,718,712,292.82
  5. Step 5: Solve for x
    x = 654,718,712,292.82/861,457.02
  6. Step 6: Final answer
    x = 760,013.21

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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.