Home / 691,800.18-1,037,807.37-292,442.46

Finding the Fourth Proportional to 691,800.18, 1,037,807.37 and 292,442.46

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Solution

The fourth proportional to 691,800.18, 1,037,807.37 and 292,442.46 is: 438,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,800.18 : 1,037,807.37 = 292,442.46 : x
  2. Step 2: Convert to fraction form
    691,800.18/1,037,807.37 = 292,442.46/x
  3. Step 3: Cross multiply
    691,800.18x = 1,037,807.37 × 292,442.46
  4. Step 4: Simplify right side
    691,800.18x = 303,498,940,288.93
  5. Step 5: Solve for x
    x = 303,498,940,288.93/691,800.18
  6. Step 6: Final answer
    x = 438,708.96

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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.