Home / 554,335.04-765,178.98-327,980

Finding the Fourth Proportional to 554,335.04, 765,178.98 and 327,980

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Solution

The fourth proportional to 554,335.04, 765,178.98 and 327,980 is: 452,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,335.04 : 765,178.98 = 327,980 : x
  2. Step 2: Convert to fraction form
    554,335.04/765,178.98 = 327,980/x
  3. Step 3: Cross multiply
    554,335.04x = 765,178.98 × 327,980
  4. Step 4: Simplify right side
    554,335.04x = 250,963,401,860.40
  5. Step 5: Solve for x
    x = 250,963,401,860.40/554,335.04
  6. Step 6: Final answer
    x = 452,728.74

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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.