Home / 771,819.80-1,157,729.70-273,234.20

Finding the Fourth Proportional to 771,819.80, 1,157,729.70 and 273,234.20

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Solution

The fourth proportional to 771,819.80, 1,157,729.70 and 273,234.20 is: 409,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,819.80 : 1,157,729.70 = 273,234.20 : x
  2. Step 2: Convert to fraction form
    771,819.80/1,157,729.70 = 273,234.20/x
  3. Step 3: Cross multiply
    771,819.80x = 1,157,729.70 × 273,234.20
  4. Step 4: Simplify right side
    771,819.80x = 316,331,348,395.74
  5. Step 5: Solve for x
    x = 316,331,348,395.74/771,819.80
  6. Step 6: Final answer
    x = 409,851.30

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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.