Home / 980,677.84-1,353,262.52-551,029.56

Finding the Fourth Proportional to 980,677.84, 1,353,262.52 and 551,029.56

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Solution

The fourth proportional to 980,677.84, 1,353,262.52 and 551,029.56 is: 760,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,677.84 : 1,353,262.52 = 551,029.56 : x
  2. Step 2: Convert to fraction form
    980,677.84/1,353,262.52 = 551,029.56/x
  3. Step 3: Cross multiply
    980,677.84x = 1,353,262.52 × 551,029.56
  4. Step 4: Simplify right side
    980,677.84x = 745,687,650,960.09
  5. Step 5: Solve for x
    x = 745,687,650,960.09/980,677.84
  6. Step 6: Final answer
    x = 760,379.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.