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Finding the Fourth Proportional to 888,952.72, 1,226,775.72 and 506,971.28

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Solution

The fourth proportional to 888,952.72, 1,226,775.72 and 506,971.28 is: 699,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,952.72 : 1,226,775.72 = 506,971.28 : x
  2. Step 2: Convert to fraction form
    888,952.72/1,226,775.72 = 506,971.28/x
  3. Step 3: Cross multiply
    888,952.72x = 1,226,775.72 × 506,971.28
  4. Step 4: Simplify right side
    888,952.72x = 621,940,057,041.32
  5. Step 5: Solve for x
    x = 621,940,057,041.32/888,952.72
  6. Step 6: Final answer
    x = 699,632.32

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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.