Home / 815,539.50-1,125,444.54-457,843.50

Finding the Fourth Proportional to 815,539.50, 1,125,444.54 and 457,843.50

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Solution

The fourth proportional to 815,539.50, 1,125,444.54 and 457,843.50 is: 631,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,539.50 : 1,125,444.54 = 457,843.50 : x
  2. Step 2: Convert to fraction form
    815,539.50/1,125,444.54 = 457,843.50/x
  3. Step 3: Cross multiply
    815,539.50x = 1,125,444.54 × 457,843.50
  4. Step 4: Simplify right side
    815,539.50x = 515,277,467,249.49
  5. Step 5: Solve for x
    x = 515,277,467,249.49/815,539.50
  6. Step 6: Final answer
    x = 631,824.05

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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.