Home / 799,672.49-1,199,718.82-287,389.36

Finding the Fourth Proportional to 799,672.49, 1,199,718.82 and 287,389.36

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Solution

The fourth proportional to 799,672.49, 1,199,718.82 and 287,389.36 is: 431,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,672.49 : 1,199,718.82 = 287,389.36 : x
  2. Step 2: Convert to fraction form
    799,672.49/1,199,718.82 = 287,389.36/x
  3. Step 3: Cross multiply
    799,672.49x = 1,199,718.82 × 287,389.36
  4. Step 4: Simplify right side
    799,672.49x = 344,786,425,718.64
  5. Step 5: Solve for x
    x = 344,786,425,718.64/799,672.49
  6. Step 6: Final answer
    x = 431,159.54

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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.