Home / 563,683.44-777,882.96-309,029.16

Finding the Fourth Proportional to 563,683.44, 777,882.96 and 309,029.16

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Solution

The fourth proportional to 563,683.44, 777,882.96 and 309,029.16 is: 426,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,683.44 : 777,882.96 = 309,029.16 : x
  2. Step 2: Convert to fraction form
    563,683.44/777,882.96 = 309,029.16/x
  3. Step 3: Cross multiply
    563,683.44x = 777,882.96 × 309,029.16
  4. Step 4: Simplify right side
    563,683.44x = 240,388,517,707.11
  5. Step 5: Solve for x
    x = 240,388,517,707.11/563,683.44
  6. Step 6: Final answer
    x = 426,460.14

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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.