Home / 929,662.56-1,282,881.60-521,726.40

Finding the Fourth Proportional to 929,662.56, 1,282,881.60 and 521,726.40

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Solution

The fourth proportional to 929,662.56, 1,282,881.60 and 521,726.40 is: 719,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,662.56 : 1,282,881.60 = 521,726.40 : x
  2. Step 2: Convert to fraction form
    929,662.56/1,282,881.60 = 521,726.40/x
  3. Step 3: Cross multiply
    929,662.56x = 1,282,881.60 × 521,726.40
  4. Step 4: Simplify right side
    929,662.56x = 669,313,198,794.24
  5. Step 5: Solve for x
    x = 669,313,198,794.24/929,662.56
  6. Step 6: Final answer
    x = 719,952.84

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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.