Home / 757,964.64-1,045,963.74-418,425.60

Finding the Fourth Proportional to 757,964.64, 1,045,963.74 and 418,425.60

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Solution

The fourth proportional to 757,964.64, 1,045,963.74 and 418,425.60 is: 577,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,964.64 : 1,045,963.74 = 418,425.60 : x
  2. Step 2: Convert to fraction form
    757,964.64/1,045,963.74 = 418,425.60/x
  3. Step 3: Cross multiply
    757,964.64x = 1,045,963.74 × 418,425.60
  4. Step 4: Simplify right side
    757,964.64x = 437,658,005,487.74
  5. Step 5: Solve for x
    x = 437,658,005,487.74/757,964.64
  6. Step 6: Final answer
    x = 577,412.17

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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.