Home / 815,783.00-1,125,812.25-558,199.96

Finding the Fourth Proportional to 815,783.00, 1,125,812.25 and 558,199.96

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Solution

The fourth proportional to 815,783.00, 1,125,812.25 and 558,199.96 is: 770,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,783.00 : 1,125,812.25 = 558,199.96 : x
  2. Step 2: Convert to fraction form
    815,783.00/1,125,812.25 = 558,199.96/x
  3. Step 3: Cross multiply
    815,783.00x = 1,125,812.25 × 558,199.96
  4. Step 4: Simplify right side
    815,783.00x = 628,428,350,102.98
  5. Step 5: Solve for x
    x = 628,428,350,102.98/815,783.00
  6. Step 6: Final answer
    x = 770,337.64

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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.