Home / 418,801.64-577,983.72-246,721.18

Finding the Fourth Proportional to 418,801.64, 577,983.72 and 246,721.18

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Solution

The fourth proportional to 418,801.64, 577,983.72 and 246,721.18 is: 340,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,801.64 : 577,983.72 = 246,721.18 : x
  2. Step 2: Convert to fraction form
    418,801.64/577,983.72 = 246,721.18/x
  3. Step 3: Cross multiply
    418,801.64x = 577,983.72 × 246,721.18
  4. Step 4: Simplify right side
    418,801.64x = 142,600,825,419.19
  5. Step 5: Solve for x
    x = 142,600,825,419.19/418,801.64
  6. Step 6: Final answer
    x = 340,497.29

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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.