Home / 807,621.52-1,210,093.08-491,121.04

Finding the Fourth Proportional to 807,621.52, 1,210,093.08 and 491,121.04

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Solution

The fourth proportional to 807,621.52, 1,210,093.08 and 491,121.04 is: 735,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,621.52 : 1,210,093.08 = 491,121.04 : x
  2. Step 2: Convert to fraction form
    807,621.52/1,210,093.08 = 491,121.04/x
  3. Step 3: Cross multiply
    807,621.52x = 1,210,093.08 × 491,121.04
  4. Step 4: Simplify right side
    807,621.52x = 594,302,171,946.40
  5. Step 5: Solve for x
    x = 594,302,171,946.40/807,621.52
  6. Step 6: Final answer
    x = 735,867.18

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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.