Home / 815,273.10-1,125,039.36-452,720.04

Finding the Fourth Proportional to 815,273.10, 1,125,039.36 and 452,720.04

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Solution

The fourth proportional to 815,273.10, 1,125,039.36 and 452,720.04 is: 624,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,273.10 : 1,125,039.36 = 452,720.04 : x
  2. Step 2: Convert to fraction form
    815,273.10/1,125,039.36 = 452,720.04/x
  3. Step 3: Cross multiply
    815,273.10x = 1,125,039.36 × 452,720.04
  4. Step 4: Simplify right side
    815,273.10x = 509,327,864,060.77
  5. Step 5: Solve for x
    x = 509,327,864,060.77/815,273.10
  6. Step 6: Final answer
    x = 624,732.82

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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.