Home / 668,904.11-1,003,353.33-242,339.92

Finding the Fourth Proportional to 668,904.11, 1,003,353.33 and 242,339.92

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Solution

The fourth proportional to 668,904.11, 1,003,353.33 and 242,339.92 is: 363,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,904.11 : 1,003,353.33 = 242,339.92 : x
  2. Step 2: Convert to fraction form
    668,904.11/1,003,353.33 = 242,339.92/x
  3. Step 3: Cross multiply
    668,904.11x = 1,003,353.33 × 242,339.92
  4. Step 4: Simplify right side
    668,904.11x = 243,152,567,886.90
  5. Step 5: Solve for x
    x = 243,152,567,886.90/668,904.11
  6. Step 6: Final answer
    x = 363,508.86

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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.