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Finding the Fourth Proportional to 710,838.73, 980,959.41 and 424,352.65

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Solution

The fourth proportional to 710,838.73, 980,959.41 and 424,352.65 is: 585,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,838.73 : 980,959.41 = 424,352.65 : x
  2. Step 2: Convert to fraction form
    710,838.73/980,959.41 = 424,352.65/x
  3. Step 3: Cross multiply
    710,838.73x = 980,959.41 × 424,352.65
  4. Step 4: Simplify right side
    710,838.73x = 416,272,725,175.94
  5. Step 5: Solve for x
    x = 416,272,725,175.94/710,838.73
  6. Step 6: Final answer
    x = 585,607.83

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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.