Home / 815,151.20-1,124,921.88-452,598.44

Finding the Fourth Proportional to 815,151.20, 1,124,921.88 and 452,598.44

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Solution

The fourth proportional to 815,151.20, 1,124,921.88 and 452,598.44 is: 624,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,151.20 : 1,124,921.88 = 452,598.44 : x
  2. Step 2: Convert to fraction form
    815,151.20/1,124,921.88 = 452,598.44/x
  3. Step 3: Cross multiply
    815,151.20x = 1,124,921.88 × 452,598.44
  4. Step 4: Simplify right side
    815,151.20x = 509,137,888,009.87
  5. Step 5: Solve for x
    x = 509,137,888,009.87/815,151.20
  6. Step 6: Final answer
    x = 624,593.19

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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.