Home / 693,527.82-1,040,491.02-288,641.22

Finding the Fourth Proportional to 693,527.82, 1,040,491.02 and 288,641.22

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Solution

The fourth proportional to 693,527.82, 1,040,491.02 and 288,641.22 is: 433,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,527.82 : 1,040,491.02 = 288,641.22 : x
  2. Step 2: Convert to fraction form
    693,527.82/1,040,491.02 = 288,641.22/x
  3. Step 3: Cross multiply
    693,527.82x = 1,040,491.02 × 288,641.22
  4. Step 4: Simplify right side
    693,527.82x = 300,328,597,411.84
  5. Step 5: Solve for x
    x = 300,328,597,411.84/693,527.82
  6. Step 6: Final answer
    x = 433,044.77

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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.