Home / 871,741.92-1,307,688.12-240,655.80

Finding the Fourth Proportional to 871,741.92, 1,307,688.12 and 240,655.80

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Solution

The fourth proportional to 871,741.92, 1,307,688.12 and 240,655.80 is: 361,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,741.92 : 1,307,688.12 = 240,655.80 : x
  2. Step 2: Convert to fraction form
    871,741.92/1,307,688.12 = 240,655.80/x
  3. Step 3: Cross multiply
    871,741.92x = 1,307,688.12 × 240,655.80
  4. Step 4: Simplify right side
    871,741.92x = 314,702,730,669.10
  5. Step 5: Solve for x
    x = 314,702,730,669.10/871,741.92
  6. Step 6: Final answer
    x = 361,004.47

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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.