Home / 782,087.04-1,079,769.28-537,493.12

Finding the Fourth Proportional to 782,087.04, 1,079,769.28 and 537,493.12

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Solution

The fourth proportional to 782,087.04, 1,079,769.28 and 537,493.12 is: 742,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,087.04 : 1,079,769.28 = 537,493.12 : x
  2. Step 2: Convert to fraction form
    782,087.04/1,079,769.28 = 537,493.12/x
  3. Step 3: Cross multiply
    782,087.04x = 1,079,769.28 × 537,493.12
  4. Step 4: Simplify right side
    782,087.04x = 580,368,559,187.35
  5. Step 5: Solve for x
    x = 580,368,559,187.35/782,087.04
  6. Step 6: Final answer
    x = 742,076.69

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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.