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Finding the Fourth Proportional to 554,551.01, 765,282.70 and 299,902.20

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Solution

The fourth proportional to 554,551.01, 765,282.70 and 299,902.20 is: 413,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,551.01 : 765,282.70 = 299,902.20 : x
  2. Step 2: Convert to fraction form
    554,551.01/765,282.70 = 299,902.20/x
  3. Step 3: Cross multiply
    554,551.01x = 765,282.70 × 299,902.20
  4. Step 4: Simplify right side
    554,551.01x = 229,509,960,026.02
  5. Step 5: Solve for x
    x = 229,509,960,026.02/554,551.01
  6. Step 6: Final answer
    x = 413,866.28

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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.