Home / 755,280.78-1,042,376.09-424,191

Finding the Fourth Proportional to 755,280.78, 1,042,376.09 and 424,191

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Solution

The fourth proportional to 755,280.78, 1,042,376.09 and 424,191 is: 585,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,280.78 : 1,042,376.09 = 424,191 : x
  2. Step 2: Convert to fraction form
    755,280.78/1,042,376.09 = 424,191/x
  3. Step 3: Cross multiply
    755,280.78x = 1,042,376.09 × 424,191
  4. Step 4: Simplify right side
    755,280.78x = 442,166,555,993.19
  5. Step 5: Solve for x
    x = 442,166,555,993.19/755,280.78
  6. Step 6: Final answer
    x = 585,433.35

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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.