Home / 815,383.68-1,223,222.46-335,526.72

Finding the Fourth Proportional to 815,383.68, 1,223,222.46 and 335,526.72

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Solution

The fourth proportional to 815,383.68, 1,223,222.46 and 335,526.72 is: 503,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,383.68 : 1,223,222.46 = 335,526.72 : x
  2. Step 2: Convert to fraction form
    815,383.68/1,223,222.46 = 335,526.72/x
  3. Step 3: Cross multiply
    815,383.68x = 1,223,222.46 × 335,526.72
  4. Step 4: Simplify right side
    815,383.68x = 410,423,819,834.13
  5. Step 5: Solve for x
    x = 410,423,819,834.13/815,383.68
  6. Step 6: Final answer
    x = 503,350.55

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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.