Home / 644,346.32-966,149.04-265,528.52

Finding the Fourth Proportional to 644,346.32, 966,149.04 and 265,528.52

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Solution

The fourth proportional to 644,346.32, 966,149.04 and 265,528.52 is: 398,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,346.32 : 966,149.04 = 265,528.52 : x
  2. Step 2: Convert to fraction form
    644,346.32/966,149.04 = 265,528.52/x
  3. Step 3: Cross multiply
    644,346.32x = 966,149.04 × 265,528.52
  4. Step 4: Simplify right side
    644,346.32x = 256,540,124,690.62
  5. Step 5: Solve for x
    x = 256,540,124,690.62/644,346.32
  6. Step 6: Final answer
    x = 398,140.13

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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.