Home / 627,199.02-865,529.87-340,721.15

Finding the Fourth Proportional to 627,199.02, 865,529.87 and 340,721.15

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Solution

The fourth proportional to 627,199.02, 865,529.87 and 340,721.15 is: 470,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,199.02 : 865,529.87 = 340,721.15 : x
  2. Step 2: Convert to fraction form
    627,199.02/865,529.87 = 340,721.15/x
  3. Step 3: Cross multiply
    627,199.02x = 865,529.87 × 340,721.15
  4. Step 4: Simplify right side
    627,199.02x = 294,904,326,634.50
  5. Step 5: Solve for x
    x = 294,904,326,634.50/627,199.02
  6. Step 6: Final answer
    x = 470,192.58

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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.