Home / 815,302.40-1,125,079.71-452,749.43

Finding the Fourth Proportional to 815,302.40, 1,125,079.71 and 452,749.43

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Solution

The fourth proportional to 815,302.40, 1,125,079.71 and 452,749.43 is: 624,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,302.40 : 1,125,079.71 = 452,749.43 : x
  2. Step 2: Convert to fraction form
    815,302.40/1,125,079.71 = 452,749.43/x
  3. Step 3: Cross multiply
    815,302.40x = 1,125,079.71 × 452,749.43
  4. Step 4: Simplify right side
    815,302.40x = 509,379,191,781.67
  5. Step 5: Solve for x
    x = 509,379,191,781.67/815,302.40
  6. Step 6: Final answer
    x = 624,773.33

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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.