Home / 999,255.25-1,498,895.63-289,283.97

Finding the Fourth Proportional to 999,255.25, 1,498,895.63 and 289,283.97

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Solution

The fourth proportional to 999,255.25, 1,498,895.63 and 289,283.97 is: 433,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,255.25 : 1,498,895.63 = 289,283.97 : x
  2. Step 2: Convert to fraction form
    999,255.25/1,498,895.63 = 289,283.97/x
  3. Step 3: Cross multiply
    999,255.25x = 1,498,895.63 × 289,283.97
  4. Step 4: Simplify right side
    999,255.25x = 433,606,478,462.05
  5. Step 5: Solve for x
    x = 433,606,478,462.05/999,255.25
  6. Step 6: Final answer
    x = 433,929.65

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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.