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Finding the Fourth Proportional to 652,582.16, 978,293.40 and 231,802.64

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Solution

The fourth proportional to 652,582.16, 978,293.40 and 231,802.64 is: 347,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,582.16 : 978,293.40 = 231,802.64 : x
  2. Step 2: Convert to fraction form
    652,582.16/978,293.40 = 231,802.64/x
  3. Step 3: Cross multiply
    652,582.16x = 978,293.40 × 231,802.64
  4. Step 4: Simplify right side
    652,582.16x = 226,770,992,814.58
  5. Step 5: Solve for x
    x = 226,770,992,814.58/652,582.16
  6. Step 6: Final answer
    x = 347,498.00

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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.