Home / 925,524.80-1,387,365.60-426,017.60

Finding the Fourth Proportional to 925,524.80, 1,387,365.60 and 426,017.60

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Solution

The fourth proportional to 925,524.80, 1,387,365.60 and 426,017.60 is: 638,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,524.80 : 1,387,365.60 = 426,017.60 : x
  2. Step 2: Convert to fraction form
    925,524.80/1,387,365.60 = 426,017.60/x
  3. Step 3: Cross multiply
    925,524.80x = 1,387,365.60 × 426,017.60
  4. Step 4: Simplify right side
    925,524.80x = 591,042,163,234.56
  5. Step 5: Solve for x
    x = 591,042,163,234.56/925,524.80
  6. Step 6: Final answer
    x = 638,602.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.