Home / 563,560.65-777,743.51-308,922.57

Finding the Fourth Proportional to 563,560.65, 777,743.51 and 308,922.57

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Solution

The fourth proportional to 563,560.65, 777,743.51 and 308,922.57 is: 426,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,560.65 : 777,743.51 = 308,922.57 : x
  2. Step 2: Convert to fraction form
    563,560.65/777,743.51 = 308,922.57/x
  3. Step 3: Cross multiply
    563,560.65x = 777,743.51 × 308,922.57
  4. Step 4: Simplify right side
    563,560.65x = 240,262,522,365.41
  5. Step 5: Solve for x
    x = 240,262,522,365.41/563,560.65
  6. Step 6: Final answer
    x = 426,329.49

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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.