Home / 648,037.20-971,926.20-311,077.20

Finding the Fourth Proportional to 648,037.20, 971,926.20 and 311,077.20

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Solution

The fourth proportional to 648,037.20, 971,926.20 and 311,077.20 is: 466,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,037.20 : 971,926.20 = 311,077.20 : x
  2. Step 2: Convert to fraction form
    648,037.20/971,926.20 = 311,077.20/x
  3. Step 3: Cross multiply
    648,037.20x = 971,926.20 × 311,077.20
  4. Step 4: Simplify right side
    648,037.20x = 302,344,080,902.64
  5. Step 5: Solve for x
    x = 302,344,080,902.64/648,037.20
  6. Step 6: Final answer
    x = 466,553.59

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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.