Home / 782,295.81-1,173,432.07-213,675.96

Finding the Fourth Proportional to 782,295.81, 1,173,432.07 and 213,675.96

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Solution

The fourth proportional to 782,295.81, 1,173,432.07 and 213,675.96 is: 320,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,295.81 : 1,173,432.07 = 213,675.96 : x
  2. Step 2: Convert to fraction form
    782,295.81/1,173,432.07 = 213,675.96/x
  3. Step 3: Cross multiply
    782,295.81x = 1,173,432.07 × 213,675.96
  4. Step 4: Simplify right side
    782,295.81x = 250,734,224,052.04
  5. Step 5: Solve for x
    x = 250,734,224,052.04/782,295.81
  6. Step 6: Final answer
    x = 320,510.76

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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.