Home / 668,747.46-1,003,197.28-242,484.05

Finding the Fourth Proportional to 668,747.46, 1,003,197.28 and 242,484.05

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Solution

The fourth proportional to 668,747.46, 1,003,197.28 and 242,484.05 is: 363,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,747.46 : 1,003,197.28 = 242,484.05 : x
  2. Step 2: Convert to fraction form
    668,747.46/1,003,197.28 = 242,484.05/x
  3. Step 3: Cross multiply
    668,747.46x = 1,003,197.28 × 242,484.05
  4. Step 4: Simplify right side
    668,747.46x = 243,259,342,517.59
  5. Step 5: Solve for x
    x = 243,259,342,517.59/668,747.46
  6. Step 6: Final answer
    x = 363,753.67

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1.5x scale

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.