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Finding the Fourth Proportional to 627,510.72, 865,970.24 and 341,030.88

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Solution

The fourth proportional to 627,510.72, 865,970.24 and 341,030.88 is: 470,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,510.72 : 865,970.24 = 341,030.88 : x
  2. Step 2: Convert to fraction form
    627,510.72/865,970.24 = 341,030.88/x
  3. Step 3: Cross multiply
    627,510.72x = 865,970.24 × 341,030.88
  4. Step 4: Simplify right side
    627,510.72x = 295,322,593,001.01
  5. Step 5: Solve for x
    x = 295,322,593,001.01/627,510.72
  6. Step 6: Final answer
    x = 470,625.57

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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.