Home / 951,720.57-1,313,458.65-522,084.42

Finding the Fourth Proportional to 951,720.57, 1,313,458.65 and 522,084.42

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Solution

The fourth proportional to 951,720.57, 1,313,458.65 and 522,084.42 is: 720,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,720.57 : 1,313,458.65 = 522,084.42 : x
  2. Step 2: Convert to fraction form
    951,720.57/1,313,458.65 = 522,084.42/x
  3. Step 3: Cross multiply
    951,720.57x = 1,313,458.65 × 522,084.42
  4. Step 4: Simplify right side
    951,720.57x = 685,736,297,479.23
  5. Step 5: Solve for x
    x = 685,736,297,479.23/951,720.57
  6. Step 6: Final answer
    x = 720,522.72

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1.5x scale

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.