Home / 905,299.46-1,358,571.96-372,820.42

Finding the Fourth Proportional to 905,299.46, 1,358,571.96 and 372,820.42

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Solution

The fourth proportional to 905,299.46, 1,358,571.96 and 372,820.42 is: 559,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,299.46 : 1,358,571.96 = 372,820.42 : x
  2. Step 2: Convert to fraction form
    905,299.46/1,358,571.96 = 372,820.42/x
  3. Step 3: Cross multiply
    905,299.46x = 1,358,571.96 × 372,820.42
  4. Step 4: Simplify right side
    905,299.46x = 506,503,368,727.42
  5. Step 5: Solve for x
    x = 506,503,368,727.42/905,299.46
  6. Step 6: Final answer
    x = 559,487.10

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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.