Home / 851,565.76-1,175,107.10-488,734.25

Finding the Fourth Proportional to 851,565.76, 1,175,107.10 and 488,734.25

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Solution

The fourth proportional to 851,565.76, 1,175,107.10 and 488,734.25 is: 674,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,565.76 : 1,175,107.10 = 488,734.25 : x
  2. Step 2: Convert to fraction form
    851,565.76/1,175,107.10 = 488,734.25/x
  3. Step 3: Cross multiply
    851,565.76x = 1,175,107.10 × 488,734.25
  4. Step 4: Simplify right side
    851,565.76x = 574,315,078,868.97
  5. Step 5: Solve for x
    x = 574,315,078,868.97/851,565.76
  6. Step 6: Final answer
    x = 674,422.47

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Double scale
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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.