Home / 772,964.80-1,159,447.20-353,060.80

Finding the Fourth Proportional to 772,964.80, 1,159,447.20 and 353,060.80

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Solution

The fourth proportional to 772,964.80, 1,159,447.20 and 353,060.80 is: 529,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,964.80 : 1,159,447.20 = 353,060.80 : x
  2. Step 2: Convert to fraction form
    772,964.80/1,159,447.20 = 353,060.80/x
  3. Step 3: Cross multiply
    772,964.80x = 1,159,447.20 × 353,060.80
  4. Step 4: Simplify right side
    772,964.80x = 409,355,355,989.76
  5. Step 5: Solve for x
    x = 409,355,355,989.76/772,964.80
  6. Step 6: Final answer
    x = 529,591.20

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Double scale
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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.