Home / 768,486.32-1,060,434.72-424,299.92

Finding the Fourth Proportional to 768,486.32, 1,060,434.72 and 424,299.92

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Solution

The fourth proportional to 768,486.32, 1,060,434.72 and 424,299.92 is: 585,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,486.32 : 1,060,434.72 = 424,299.92 : x
  2. Step 2: Convert to fraction form
    768,486.32/1,060,434.72 = 424,299.92/x
  3. Step 3: Cross multiply
    768,486.32x = 1,060,434.72 × 424,299.92
  4. Step 4: Simplify right side
    768,486.32x = 449,942,366,861.22
  5. Step 5: Solve for x
    x = 449,942,366,861.22/768,486.32
  6. Step 6: Final answer
    x = 585,491.71

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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.