Home / 831,189.68-1,146,509.88-576,447.92

Finding the Fourth Proportional to 831,189.68, 1,146,509.88 and 576,447.92

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Solution

The fourth proportional to 831,189.68, 1,146,509.88 and 576,447.92 is: 795,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,189.68 : 1,146,509.88 = 576,447.92 : x
  2. Step 2: Convert to fraction form
    831,189.68/1,146,509.88 = 576,447.92/x
  3. Step 3: Cross multiply
    831,189.68x = 1,146,509.88 × 576,447.92
  4. Step 4: Simplify right side
    831,189.68x = 660,903,235,585.45
  5. Step 5: Solve for x
    x = 660,903,235,585.45/831,189.68
  6. Step 6: Final answer
    x = 795,129.26

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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.