Home / 851,581.56-1,175,128.80-488,750.04

Finding the Fourth Proportional to 851,581.56, 1,175,128.80 and 488,750.04

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Solution

The fourth proportional to 851,581.56, 1,175,128.80 and 488,750.04 is: 674,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,581.56 : 1,175,128.80 = 488,750.04 : x
  2. Step 2: Convert to fraction form
    851,581.56/1,175,128.80 = 488,750.04/x
  3. Step 3: Cross multiply
    851,581.56x = 1,175,128.80 × 488,750.04
  4. Step 4: Simplify right side
    851,581.56x = 574,344,248,005.15
  5. Step 5: Solve for x
    x = 574,344,248,005.15/851,581.56
  6. Step 6: Final answer
    x = 674,444.20

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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.