Home / 815,931.98-1,223,608.37-239,394.35

Finding the Fourth Proportional to 815,931.98, 1,223,608.37 and 239,394.35

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Solution

The fourth proportional to 815,931.98, 1,223,608.37 and 239,394.35 is: 359,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,931.98 : 1,223,608.37 = 239,394.35 : x
  2. Step 2: Convert to fraction form
    815,931.98/1,223,608.37 = 239,394.35/x
  3. Step 3: Cross multiply
    815,931.98x = 1,223,608.37 × 239,394.35
  4. Step 4: Simplify right side
    815,931.98x = 292,924,932,252.76
  5. Step 5: Solve for x
    x = 292,924,932,252.76/815,931.98
  6. Step 6: Final answer
    x = 359,006.56

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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.