Home / 687,763.35-1,031,595.48-182,312.82

Finding the Fourth Proportional to 687,763.35, 1,031,595.48 and 182,312.82

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Solution

The fourth proportional to 687,763.35, 1,031,595.48 and 182,312.82 is: 273,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,763.35 : 1,031,595.48 = 182,312.82 : x
  2. Step 2: Convert to fraction form
    687,763.35/1,031,595.48 = 182,312.82/x
  3. Step 3: Cross multiply
    687,763.35x = 1,031,595.48 × 182,312.82
  4. Step 4: Simplify right side
    687,763.35x = 188,073,081,058.05
  5. Step 5: Solve for x
    x = 188,073,081,058.05/687,763.35
  6. Step 6: Final answer
    x = 273,456.10

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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.