Home / 785,824.20-1,178,909.10-253,254.60

Finding the Fourth Proportional to 785,824.20, 1,178,909.10 and 253,254.60

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Solution

The fourth proportional to 785,824.20, 1,178,909.10 and 253,254.60 is: 379,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,824.20 : 1,178,909.10 = 253,254.60 : x
  2. Step 2: Convert to fraction form
    785,824.20/1,178,909.10 = 253,254.60/x
  3. Step 3: Cross multiply
    785,824.20x = 1,178,909.10 × 253,254.60
  4. Step 4: Simplify right side
    785,824.20x = 298,564,152,556.86
  5. Step 5: Solve for x
    x = 298,564,152,556.86/785,824.20
  6. Step 6: Final answer
    x = 379,937.59

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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.