Home / 772,383.13-1,158,416.32-292,445.35

Finding the Fourth Proportional to 772,383.13, 1,158,416.32 and 292,445.35

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Solution

The fourth proportional to 772,383.13, 1,158,416.32 and 292,445.35 is: 438,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,383.13 : 1,158,416.32 = 292,445.35 : x
  2. Step 2: Convert to fraction form
    772,383.13/1,158,416.32 = 292,445.35/x
  3. Step 3: Cross multiply
    772,383.13x = 1,158,416.32 × 292,445.35
  4. Step 4: Simplify right side
    772,383.13x = 338,773,469,585.39
  5. Step 5: Solve for x
    x = 338,773,469,585.39/772,383.13
  6. Step 6: Final answer
    x = 438,608.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.