Home / 813,544.02-1,220,326.43-560,756.66

Finding the Fourth Proportional to 813,544.02, 1,220,326.43 and 560,756.66

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Solution

The fourth proportional to 813,544.02, 1,220,326.43 and 560,756.66 is: 841,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,544.02 : 1,220,326.43 = 560,756.66 : x
  2. Step 2: Convert to fraction form
    813,544.02/1,220,326.43 = 560,756.66/x
  3. Step 3: Cross multiply
    813,544.02x = 1,220,326.43 × 560,756.66
  4. Step 4: Simplify right side
    813,544.02x = 684,306,172,996.52
  5. Step 5: Solve for x
    x = 684,306,172,996.52/813,544.02
  6. Step 6: Final answer
    x = 841,142.16

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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.