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Finding the Fourth Proportional to 560,382.08, 839,872.64 and 360,169.60

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Solution

The fourth proportional to 560,382.08, 839,872.64 and 360,169.60 is: 539,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,382.08 : 839,872.64 = 360,169.60 : x
  2. Step 2: Convert to fraction form
    560,382.08/839,872.64 = 360,169.60/x
  3. Step 3: Cross multiply
    560,382.08x = 839,872.64 × 360,169.60
  4. Step 4: Simplify right side
    560,382.08x = 302,496,592,799.74
  5. Step 5: Solve for x
    x = 302,496,592,799.74/560,382.08
  6. Step 6: Final answer
    x = 539,804.19

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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.