Home / 832,319.20-1,246,366.80-457,919.20

Finding the Fourth Proportional to 832,319.20, 1,246,366.80 and 457,919.20

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Solution

The fourth proportional to 832,319.20, 1,246,366.80 and 457,919.20 is: 685,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,319.20 : 1,246,366.80 = 457,919.20 : x
  2. Step 2: Convert to fraction form
    832,319.20/1,246,366.80 = 457,919.20/x
  3. Step 3: Cross multiply
    832,319.20x = 1,246,366.80 × 457,919.20
  4. Step 4: Simplify right side
    832,319.20x = 570,735,287,962.56
  5. Step 5: Solve for x
    x = 570,735,287,962.56/832,319.20
  6. Step 6: Final answer
    x = 685,716.84

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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.