Home / 563,046.26-777,016.47-321,324.02

Finding the Fourth Proportional to 563,046.26, 777,016.47 and 321,324.02

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Solution

The fourth proportional to 563,046.26, 777,016.47 and 321,324.02 is: 443,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,046.26 : 777,016.47 = 321,324.02 : x
  2. Step 2: Convert to fraction form
    563,046.26/777,016.47 = 321,324.02/x
  3. Step 3: Cross multiply
    563,046.26x = 777,016.47 × 321,324.02
  4. Step 4: Simplify right side
    563,046.26x = 249,674,055,746.61
  5. Step 5: Solve for x
    x = 249,674,055,746.61/563,046.26
  6. Step 6: Final answer
    x = 443,434.36

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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.