Home / 845,315.68-1,166,655.20-523,129.52

Finding the Fourth Proportional to 845,315.68, 1,166,655.20 and 523,129.52

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Solution

The fourth proportional to 845,315.68, 1,166,655.20 and 523,129.52 is: 721,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,315.68 : 1,166,655.20 = 523,129.52 : x
  2. Step 2: Convert to fraction form
    845,315.68/1,166,655.20 = 523,129.52/x
  3. Step 3: Cross multiply
    845,315.68x = 1,166,655.20 × 523,129.52
  4. Step 4: Simplify right side
    845,315.68x = 610,311,774,781.50
  5. Step 5: Solve for x
    x = 610,311,774,781.50/845,315.68
  6. Step 6: Final answer
    x = 721,992.73

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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.