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Finding the Fourth Proportional to 544,680.36, 751,648.08 and 302,957.72

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Solution

The fourth proportional to 544,680.36, 751,648.08 and 302,957.72 is: 418,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,680.36 : 751,648.08 = 302,957.72 : x
  2. Step 2: Convert to fraction form
    544,680.36/751,648.08 = 302,957.72/x
  3. Step 3: Cross multiply
    544,680.36x = 751,648.08 × 302,957.72
  4. Step 4: Simplify right side
    544,680.36x = 227,717,588,559.18
  5. Step 5: Solve for x
    x = 227,717,588,559.18/544,680.36
  6. Step 6: Final answer
    x = 418,075.64

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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.