Home / 782,657.69-1,173,506.75-333,122.57

Finding the Fourth Proportional to 782,657.69, 1,173,506.75 and 333,122.57

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Solution

The fourth proportional to 782,657.69, 1,173,506.75 and 333,122.57 is: 499,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,657.69 : 1,173,506.75 = 333,122.57 : x
  2. Step 2: Convert to fraction form
    782,657.69/1,173,506.75 = 333,122.57/x
  3. Step 3: Cross multiply
    782,657.69x = 1,173,506.75 × 333,122.57
  4. Step 4: Simplify right side
    782,657.69x = 390,921,576,939.20
  5. Step 5: Solve for x
    x = 390,921,576,939.20/782,657.69
  6. Step 6: Final answer
    x = 499,479.64

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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.