Home / 408,935.07-564,551.82-286,802.46

Finding the Fourth Proportional to 408,935.07, 564,551.82 and 286,802.46

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Solution

The fourth proportional to 408,935.07, 564,551.82 and 286,802.46 is: 395,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,935.07 : 564,551.82 = 286,802.46 : x
  2. Step 2: Convert to fraction form
    408,935.07/564,551.82 = 286,802.46/x
  3. Step 3: Cross multiply
    408,935.07x = 564,551.82 × 286,802.46
  4. Step 4: Simplify right side
    408,935.07x = 161,914,850,773.48
  5. Step 5: Solve for x
    x = 161,914,850,773.48/408,935.07
  6. Step 6: Final answer
    x = 395,942.69

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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.