Home / 815,274.60-1,125,041.43-452,721.54

Finding the Fourth Proportional to 815,274.60, 1,125,041.43 and 452,721.54

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Solution

The fourth proportional to 815,274.60, 1,125,041.43 and 452,721.54 is: 624,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,274.60 : 1,125,041.43 = 452,721.54 : x
  2. Step 2: Convert to fraction form
    815,274.60/1,125,041.43 = 452,721.54/x
  3. Step 3: Cross multiply
    815,274.60x = 1,125,041.43 × 452,721.54
  4. Step 4: Simplify right side
    815,274.60x = 509,330,488,753.40
  5. Step 5: Solve for x
    x = 509,330,488,753.40/815,274.60
  6. Step 6: Final answer
    x = 624,734.89

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1.5x scale

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.