Home / 866,442.77-1,299,886.49-360,835.70

Finding the Fourth Proportional to 866,442.77, 1,299,886.49 and 360,835.70

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Solution

The fourth proportional to 866,442.77, 1,299,886.49 and 360,835.70 is: 541,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,442.77 : 1,299,886.49 = 360,835.70 : x
  2. Step 2: Convert to fraction form
    866,442.77/1,299,886.49 = 360,835.70/x
  3. Step 3: Cross multiply
    866,442.77x = 1,299,886.49 × 360,835.70
  4. Step 4: Simplify right side
    866,442.77x = 469,045,455,691.50
  5. Step 5: Solve for x
    x = 469,045,455,691.50/866,442.77
  6. Step 6: Final answer
    x = 541,346.15

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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.