Home / 563,456.22-777,568.08-305,340.33

Finding the Fourth Proportional to 563,456.22, 777,568.08 and 305,340.33

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Solution

The fourth proportional to 563,456.22, 777,568.08 and 305,340.33 is: 421,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,456.22 : 777,568.08 = 305,340.33 : x
  2. Step 2: Convert to fraction form
    563,456.22/777,568.08 = 305,340.33/x
  3. Step 3: Cross multiply
    563,456.22x = 777,568.08 × 305,340.33
  4. Step 4: Simplify right side
    563,456.22x = 237,422,894,144.67
  5. Step 5: Solve for x
    x = 237,422,894,144.67/563,456.22
  6. Step 6: Final answer
    x = 421,368.84

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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.