Home / 318,615.90-477,923.85-304,964.70

Finding the Fourth Proportional to 318,615.90, 477,923.85 and 304,964.70

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Solution

The fourth proportional to 318,615.90, 477,923.85 and 304,964.70 is: 457,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,615.90 : 477,923.85 = 304,964.70 : x
  2. Step 2: Convert to fraction form
    318,615.90/477,923.85 = 304,964.70/x
  3. Step 3: Cross multiply
    318,615.90x = 477,923.85 × 304,964.70
  4. Step 4: Simplify right side
    318,615.90x = 145,749,903,538.10
  5. Step 5: Solve for x
    x = 145,749,903,538.10/318,615.90
  6. Step 6: Final answer
    x = 457,447.05

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Similar ratio
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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.