Home / 815,524.50-1,125,423.81-457,828.50

Finding the Fourth Proportional to 815,524.50, 1,125,423.81 and 457,828.50

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Solution

The fourth proportional to 815,524.50, 1,125,423.81 and 457,828.50 is: 631,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,524.50 : 1,125,423.81 = 457,828.50 : x
  2. Step 2: Convert to fraction form
    815,524.50/1,125,423.81 = 457,828.50/x
  3. Step 3: Cross multiply
    815,524.50x = 1,125,423.81 × 457,828.50
  4. Step 4: Simplify right side
    815,524.50x = 515,251,094,796.59
  5. Step 5: Solve for x
    x = 515,251,094,796.59/815,524.50
  6. Step 6: Final answer
    x = 631,803.33

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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.