Home / 784,330.20-1,176,384.24-251,781.12

Finding the Fourth Proportional to 784,330.20, 1,176,384.24 and 251,781.12

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Solution

The fourth proportional to 784,330.20, 1,176,384.24 and 251,781.12 is: 377,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,330.20 : 1,176,384.24 = 251,781.12 : x
  2. Step 2: Convert to fraction form
    784,330.20/1,176,384.24 = 251,781.12/x
  3. Step 3: Cross multiply
    784,330.20x = 1,176,384.24 × 251,781.12
  4. Step 4: Simplify right side
    784,330.20x = 296,191,341,497.55
  5. Step 5: Solve for x
    x = 296,191,341,497.55/784,330.20
  6. Step 6: Final answer
    x = 377,636.03

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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.