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Finding the Fourth Proportional to 627,315.84, 865,598.40 and 372,660.48

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Solution

The fourth proportional to 627,315.84, 865,598.40 and 372,660.48 is: 514,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,315.84 : 865,598.40 = 372,660.48 : x
  2. Step 2: Convert to fraction form
    627,315.84/865,598.40 = 372,660.48/x
  3. Step 3: Cross multiply
    627,315.84x = 865,598.40 × 372,660.48
  4. Step 4: Simplify right side
    627,315.84x = 322,574,315,231.23
  5. Step 5: Solve for x
    x = 322,574,315,231.23/627,315.84
  6. Step 6: Final answer
    x = 514,213.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.