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Finding the Fourth Proportional to 659,482.05, 989,806.28 and 565,003.65

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Solution

The fourth proportional to 659,482.05, 989,806.28 and 565,003.65 is: 848,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,482.05 : 989,806.28 = 565,003.65 : x
  2. Step 2: Convert to fraction form
    659,482.05/989,806.28 = 565,003.65/x
  3. Step 3: Cross multiply
    659,482.05x = 989,806.28 × 565,003.65
  4. Step 4: Simplify right side
    659,482.05x = 559,244,158,167.90
  5. Step 5: Solve for x
    x = 559,244,158,167.90/659,482.05
  6. Step 6: Final answer
    x = 848,005.12

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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.