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Finding the Fourth Proportional to 492,680.64, 679,899.72 and 266,326.12

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Solution

The fourth proportional to 492,680.64, 679,899.72 and 266,326.12 is: 367,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,680.64 : 679,899.72 = 266,326.12 : x
  2. Step 2: Convert to fraction form
    492,680.64/679,899.72 = 266,326.12/x
  3. Step 3: Cross multiply
    492,680.64x = 679,899.72 × 266,326.12
  4. Step 4: Simplify right side
    492,680.64x = 181,075,054,416.69
  5. Step 5: Solve for x
    x = 181,075,054,416.69/492,680.64
  6. Step 6: Final answer
    x = 367,530.28

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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.