Home / 771,155.64-1,064,200.14-449,053.56

Finding the Fourth Proportional to 771,155.64, 1,064,200.14 and 449,053.56

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Solution

The fourth proportional to 771,155.64, 1,064,200.14 and 449,053.56 is: 619,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,155.64 : 1,064,200.14 = 449,053.56 : x
  2. Step 2: Convert to fraction form
    771,155.64/1,064,200.14 = 449,053.56/x
  3. Step 3: Cross multiply
    771,155.64x = 1,064,200.14 × 449,053.56
  4. Step 4: Simplify right side
    771,155.64x = 477,882,861,419.50
  5. Step 5: Solve for x
    x = 477,882,861,419.50/771,155.64
  6. Step 6: Final answer
    x = 619,697.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.