Home / 980,537.84-1,470,881.28-381,241.52

Finding the Fourth Proportional to 980,537.84, 1,470,881.28 and 381,241.52

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Solution

The fourth proportional to 980,537.84, 1,470,881.28 and 381,241.52 is: 571,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,537.84 : 1,470,881.28 = 381,241.52 : x
  2. Step 2: Convert to fraction form
    980,537.84/1,470,881.28 = 381,241.52/x
  3. Step 3: Cross multiply
    980,537.84x = 1,470,881.28 × 381,241.52
  4. Step 4: Simplify right side
    980,537.84x = 560,761,007,572.34
  5. Step 5: Solve for x
    x = 560,761,007,572.34/980,537.84
  6. Step 6: Final answer
    x = 571,891.25

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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.