Home / 815,525.75-1,125,425.54-457,829.75

Finding the Fourth Proportional to 815,525.75, 1,125,425.54 and 457,829.75

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Solution

The fourth proportional to 815,525.75, 1,125,425.54 and 457,829.75 is: 631,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,525.75 : 1,125,425.54 = 457,829.75 : x
  2. Step 2: Convert to fraction form
    815,525.75/1,125,425.54 = 457,829.75/x
  3. Step 3: Cross multiply
    815,525.75x = 1,125,425.54 × 457,829.75
  4. Step 4: Simplify right side
    815,525.75x = 515,253,291,332.67
  5. Step 5: Solve for x
    x = 515,253,291,332.67/815,525.75
  6. Step 6: Final answer
    x = 631,805.06

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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.