Home / 779,944.30-1,170,086.55-443,146.30

Finding the Fourth Proportional to 779,944.30, 1,170,086.55 and 443,146.30

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Solution

The fourth proportional to 779,944.30, 1,170,086.55 and 443,146.30 is: 664,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,944.30 : 1,170,086.55 = 443,146.30 : x
  2. Step 2: Convert to fraction form
    779,944.30/1,170,086.55 = 443,146.30/x
  3. Step 3: Cross multiply
    779,944.30x = 1,170,086.55 × 443,146.30
  4. Step 4: Simplify right side
    779,944.30x = 518,519,525,312.27
  5. Step 5: Solve for x
    x = 518,519,525,312.27/779,944.30
  6. Step 6: Final answer
    x = 664,816.10

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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.