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Finding the Fourth Proportional to 659,585.57, 989,300.59 and 294,891.17

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Solution

The fourth proportional to 659,585.57, 989,300.59 and 294,891.17 is: 442,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,585.57 : 989,300.59 = 294,891.17 : x
  2. Step 2: Convert to fraction form
    659,585.57/989,300.59 = 294,891.17/x
  3. Step 3: Cross multiply
    659,585.57x = 989,300.59 × 294,891.17
  4. Step 4: Simplify right side
    659,585.57x = 291,736,002,783.06
  5. Step 5: Solve for x
    x = 291,736,002,783.06/659,585.57
  6. Step 6: Final answer
    x = 442,301.98

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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.