Home / 815,647.50-1,125,625.14-453,098.88

Finding the Fourth Proportional to 815,647.50, 1,125,625.14 and 453,098.88

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Solution

The fourth proportional to 815,647.50, 1,125,625.14 and 453,098.88 is: 625,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,647.50 : 1,125,625.14 = 453,098.88 : x
  2. Step 2: Convert to fraction form
    815,647.50/1,125,625.14 = 453,098.88/x
  3. Step 3: Cross multiply
    815,647.50x = 1,125,625.14 × 453,098.88
  4. Step 4: Simplify right side
    815,647.50x = 510,019,490,233.84
  5. Step 5: Solve for x
    x = 510,019,490,233.84/815,647.50
  6. Step 6: Final answer
    x = 625,294.00

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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.