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Finding the Fourth Proportional to 688,304, 1,032,494.88 and 245,072

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Solution

The fourth proportional to 688,304, 1,032,494.88 and 245,072 is: 367,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,304 : 1,032,494.88 = 245,072 : x
  2. Step 2: Convert to fraction form
    688,304/1,032,494.88 = 245,072/x
  3. Step 3: Cross multiply
    688,304x = 1,032,494.88 × 245,072
  4. Step 4: Simplify right side
    688,304x = 253,035,585,231.36
  5. Step 5: Solve for x
    x = 253,035,585,231.36/688,304
  6. Step 6: Final answer
    x = 367,621.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.