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Finding the Fourth Proportional to 555,002.37, 765,658.86 and 325,443.11

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Solution

The fourth proportional to 555,002.37, 765,658.86 and 325,443.11 is: 448,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,002.37 : 765,658.86 = 325,443.11 : x
  2. Step 2: Convert to fraction form
    555,002.37/765,658.86 = 325,443.11/x
  3. Step 3: Cross multiply
    555,002.37x = 765,658.86 × 325,443.11
  4. Step 4: Simplify right side
    555,002.37x = 249,178,396,769.16
  5. Step 5: Solve for x
    x = 249,178,396,769.16/555,002.37
  6. Step 6: Final answer
    x = 448,968.17

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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.