Home / 389,639.16-584,327.52-314,581.32

Finding the Fourth Proportional to 389,639.16, 584,327.52 and 314,581.32

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Solution

The fourth proportional to 389,639.16, 584,327.52 and 314,581.32 is: 471,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,639.16 : 584,327.52 = 314,581.32 : x
  2. Step 2: Convert to fraction form
    389,639.16/584,327.52 = 314,581.32/x
  3. Step 3: Cross multiply
    389,639.16x = 584,327.52 × 314,581.32
  4. Step 4: Simplify right side
    389,639.16x = 183,818,522,553.93
  5. Step 5: Solve for x
    x = 183,818,522,553.93/389,639.16
  6. Step 6: Final answer
    x = 471,766.04

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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.