Home / 424,004.10-636,006.15-299,588.10

Finding the Fourth Proportional to 424,004.10, 636,006.15 and 299,588.10

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Solution

The fourth proportional to 424,004.10, 636,006.15 and 299,588.10 is: 449,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,004.10 : 636,006.15 = 299,588.10 : x
  2. Step 2: Convert to fraction form
    424,004.10/636,006.15 = 299,588.10/x
  3. Step 3: Cross multiply
    424,004.10x = 636,006.15 × 299,588.10
  4. Step 4: Simplify right side
    424,004.10x = 190,539,874,066.82
  5. Step 5: Solve for x
    x = 190,539,874,066.82/424,004.10
  6. Step 6: Final answer
    x = 449,382.15

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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.