Home / 851,148.36-1,174,691.06-488,685.72

Finding the Fourth Proportional to 851,148.36, 1,174,691.06 and 488,685.72

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Solution

The fourth proportional to 851,148.36, 1,174,691.06 and 488,685.72 is: 674,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,148.36 : 1,174,691.06 = 488,685.72 : x
  2. Step 2: Convert to fraction form
    851,148.36/1,174,691.06 = 488,685.72/x
  3. Step 3: Cross multiply
    851,148.36x = 1,174,691.06 × 488,685.72
  4. Step 4: Simplify right side
    851,148.36x = 574,054,746,433.66
  5. Step 5: Solve for x
    x = 574,054,746,433.66/851,148.36
  6. Step 6: Final answer
    x = 674,447.34

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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.