Home / 566,332.80-781,511.04-311,677.44

Finding the Fourth Proportional to 566,332.80, 781,511.04 and 311,677.44

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Solution

The fourth proportional to 566,332.80, 781,511.04 and 311,677.44 is: 430,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,332.80 : 781,511.04 = 311,677.44 : x
  2. Step 2: Convert to fraction form
    566,332.80/781,511.04 = 311,677.44/x
  3. Step 3: Cross multiply
    566,332.80x = 781,511.04 × 311,677.44
  4. Step 4: Simplify right side
    566,332.80x = 243,579,360,278.94
  5. Step 5: Solve for x
    x = 243,579,360,278.94/566,332.80
  6. Step 6: Final answer
    x = 430,099.33

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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.