Home / 851,898.20-1,175,641.68-464,720.28

Finding the Fourth Proportional to 851,898.20, 1,175,641.68 and 464,720.28

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Solution

The fourth proportional to 851,898.20, 1,175,641.68 and 464,720.28 is: 641,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,898.20 : 1,175,641.68 = 464,720.28 : x
  2. Step 2: Convert to fraction form
    851,898.20/1,175,641.68 = 464,720.28/x
  3. Step 3: Cross multiply
    851,898.20x = 1,175,641.68 × 464,720.28
  4. Step 4: Simplify right side
    851,898.20x = 546,344,530,709.27
  5. Step 5: Solve for x
    x = 546,344,530,709.27/851,898.20
  6. Step 6: Final answer
    x = 641,326.08

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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.