Home / 1,363.02-2,044.58-438.45

Finding the Fourth Proportional to 1,363.02, 2,044.58 and 438.45

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Solution

The fourth proportional to 1,363.02, 2,044.58 and 438.45 is: 657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.02 : 2,044.58 = 438.45 : x
  2. Step 2: Convert to fraction form
    1,363.02/2,044.58 = 438.45/x
  3. Step 3: Cross multiply
    1,363.02x = 2,044.58 × 438.45
  4. Step 4: Simplify right side
    1,363.02x = 896,443.91
  5. Step 5: Solve for x
    x = 896,443.91/1,363.02
  6. Step 6: Final answer
    x = 657.69

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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.