Home / 955,012.81-1,432,363.48-280,936.43

Finding the Fourth Proportional to 955,012.81, 1,432,363.48 and 280,936.43

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Solution

The fourth proportional to 955,012.81, 1,432,363.48 and 280,936.43 is: 421,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,012.81 : 1,432,363.48 = 280,936.43 : x
  2. Step 2: Convert to fraction form
    955,012.81/1,432,363.48 = 280,936.43/x
  3. Step 3: Cross multiply
    955,012.81x = 1,432,363.48 × 280,936.43
  4. Step 4: Simplify right side
    955,012.81x = 402,403,082,533.58
  5. Step 5: Solve for x
    x = 402,403,082,533.58/955,012.81
  6. Step 6: Final answer
    x = 421,358.83

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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.