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Finding the Fourth Proportional to 800,314.02, 1,200,807.99 and 350,802.90

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Solution

The fourth proportional to 800,314.02, 1,200,807.99 and 350,802.90 is: 526,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,314.02 : 1,200,807.99 = 350,802.90 : x
  2. Step 2: Convert to fraction form
    800,314.02/1,200,807.99 = 350,802.90/x
  3. Step 3: Cross multiply
    800,314.02x = 1,200,807.99 × 350,802.90
  4. Step 4: Simplify right side
    800,314.02x = 421,246,925,235.17
  5. Step 5: Solve for x
    x = 421,246,925,235.17/800,314.02
  6. Step 6: Final answer
    x = 526,352.05

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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.