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Finding the Fourth Proportional to 528,986.82, 730,270.67 and 335,592.08

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Solution

The fourth proportional to 528,986.82, 730,270.67 and 335,592.08 is: 463,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,986.82 : 730,270.67 = 335,592.08 : x
  2. Step 2: Convert to fraction form
    528,986.82/730,270.67 = 335,592.08/x
  3. Step 3: Cross multiply
    528,986.82x = 730,270.67 × 335,592.08
  4. Step 4: Simplify right side
    528,986.82x = 245,073,053,108.29
  5. Step 5: Solve for x
    x = 245,073,053,108.29/528,986.82
  6. Step 6: Final answer
    x = 463,287.64

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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.