Home / 725,383.35-1,088,292.51-292,878.18

Finding the Fourth Proportional to 725,383.35, 1,088,292.51 and 292,878.18

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Solution

The fourth proportional to 725,383.35, 1,088,292.51 and 292,878.18 is: 439,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,383.35 : 1,088,292.51 = 292,878.18 : x
  2. Step 2: Convert to fraction form
    725,383.35/1,088,292.51 = 292,878.18/x
  3. Step 3: Cross multiply
    725,383.35x = 1,088,292.51 × 292,878.18
  4. Step 4: Simplify right side
    725,383.35x = 318,737,129,636.43
  5. Step 5: Solve for x
    x = 318,737,129,636.43/725,383.35
  6. Step 6: Final answer
    x = 439,405.08

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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.