Home / 684,753.66-1,026,574.02-285,691.80

Finding the Fourth Proportional to 684,753.66, 1,026,574.02 and 285,691.80

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Solution

The fourth proportional to 684,753.66, 1,026,574.02 and 285,691.80 is: 428,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,753.66 : 1,026,574.02 = 285,691.80 : x
  2. Step 2: Convert to fraction form
    684,753.66/1,026,574.02 = 285,691.80/x
  3. Step 3: Cross multiply
    684,753.66x = 1,026,574.02 × 285,691.80
  4. Step 4: Simplify right side
    684,753.66x = 293,283,779,607.04
  5. Step 5: Solve for x
    x = 293,283,779,607.04/684,753.66
  6. Step 6: Final answer
    x = 428,305.53

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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.