Home / 627,065.71-865,615.34-423,392.22

Finding the Fourth Proportional to 627,065.71, 865,615.34 and 423,392.22

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Solution

The fourth proportional to 627,065.71, 865,615.34 and 423,392.22 is: 584,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,065.71 : 865,615.34 = 423,392.22 : x
  2. Step 2: Convert to fraction form
    627,065.71/865,615.34 = 423,392.22/x
  3. Step 3: Cross multiply
    627,065.71x = 865,615.34 × 423,392.22
  4. Step 4: Simplify right side
    627,065.71x = 366,494,801,527.14
  5. Step 5: Solve for x
    x = 366,494,801,527.14/627,065.71
  6. Step 6: Final answer
    x = 584,459.97

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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.