Home / 845,911.66-1,269,199.79-372,264.88

Finding the Fourth Proportional to 845,911.66, 1,269,199.79 and 372,264.88

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Solution

The fourth proportional to 845,911.66, 1,269,199.79 and 372,264.88 is: 558,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,911.66 : 1,269,199.79 = 372,264.88 : x
  2. Step 2: Convert to fraction form
    845,911.66/1,269,199.79 = 372,264.88/x
  3. Step 3: Cross multiply
    845,911.66x = 1,269,199.79 × 372,264.88
  4. Step 4: Simplify right side
    845,911.66x = 472,478,507,520.38
  5. Step 5: Solve for x
    x = 472,478,507,520.38/845,911.66
  6. Step 6: Final answer
    x = 558,543.56

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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.