Home / 563,046.33-776,810.86-321,154.81

Finding the Fourth Proportional to 563,046.33, 776,810.86 and 321,154.81

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Solution

The fourth proportional to 563,046.33, 776,810.86 and 321,154.81 is: 443,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,046.33 : 776,810.86 = 321,154.81 : x
  2. Step 2: Convert to fraction form
    563,046.33/776,810.86 = 321,154.81/x
  3. Step 3: Cross multiply
    563,046.33x = 776,810.86 × 321,154.81
  4. Step 4: Simplify right side
    563,046.33x = 249,476,544,149.24
  5. Step 5: Solve for x
    x = 249,476,544,149.24/563,046.33
  6. Step 6: Final answer
    x = 443,083.51

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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.