Home / 878,568.46-1,318,032.42-302,116.87

Finding the Fourth Proportional to 878,568.46, 1,318,032.42 and 302,116.87

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Solution

The fourth proportional to 878,568.46, 1,318,032.42 and 302,116.87 is: 453,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,568.46 : 1,318,032.42 = 302,116.87 : x
  2. Step 2: Convert to fraction form
    878,568.46/1,318,032.42 = 302,116.87/x
  3. Step 3: Cross multiply
    878,568.46x = 1,318,032.42 × 302,116.87
  4. Step 4: Simplify right side
    878,568.46x = 398,199,829,288.93
  5. Step 5: Solve for x
    x = 398,199,829,288.93/878,568.46
  6. Step 6: Final answer
    x = 453,237.11

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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.