Home / 521,569.52-719,768.20-295,258.64

Finding the Fourth Proportional to 521,569.52, 719,768.20 and 295,258.64

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Solution

The fourth proportional to 521,569.52, 719,768.20 and 295,258.64 is: 407,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,569.52 : 719,768.20 = 295,258.64 : x
  2. Step 2: Convert to fraction form
    521,569.52/719,768.20 = 295,258.64/x
  3. Step 3: Cross multiply
    521,569.52x = 719,768.20 × 295,258.64
  4. Step 4: Simplify right side
    521,569.52x = 212,517,779,847.25
  5. Step 5: Solve for x
    x = 212,517,779,847.25/521,569.52
  6. Step 6: Final answer
    x = 407,458.20

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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.