Home / 764,937.60-1,055,614.95-425,405.85

Finding the Fourth Proportional to 764,937.60, 1,055,614.95 and 425,405.85

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Solution

The fourth proportional to 764,937.60, 1,055,614.95 and 425,405.85 is: 587,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,937.60 : 1,055,614.95 = 425,405.85 : x
  2. Step 2: Convert to fraction form
    764,937.60/1,055,614.95 = 425,405.85/x
  3. Step 3: Cross multiply
    764,937.60x = 1,055,614.95 × 425,405.85
  4. Step 4: Simplify right side
    764,937.60x = 449,064,775,077.46
  5. Step 5: Solve for x
    x = 449,064,775,077.46/764,937.60
  6. Step 6: Final answer
    x = 587,060.66

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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.