Home / 851,573.66-1,175,117.96-488,742.12

Finding the Fourth Proportional to 851,573.66, 1,175,117.96 and 488,742.12

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Solution

The fourth proportional to 851,573.66, 1,175,117.96 and 488,742.12 is: 674,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,573.66 : 1,175,117.96 = 488,742.12 : x
  2. Step 2: Convert to fraction form
    851,573.66/1,175,117.96 = 488,742.12/x
  3. Step 3: Cross multiply
    851,573.66x = 1,175,117.96 × 488,742.12
  4. Step 4: Simplify right side
    851,573.66x = 574,329,644,242.33
  5. Step 5: Solve for x
    x = 574,329,644,242.33/851,573.66
  6. Step 6: Final answer
    x = 674,433.32

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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.