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Finding the Fourth Proportional to 800,874.01, 1,201,311.02 and 368,547.85

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Solution

The fourth proportional to 800,874.01, 1,201,311.02 and 368,547.85 is: 552,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,874.01 : 1,201,311.02 = 368,547.85 : x
  2. Step 2: Convert to fraction form
    800,874.01/1,201,311.02 = 368,547.85/x
  3. Step 3: Cross multiply
    800,874.01x = 1,201,311.02 × 368,547.85
  4. Step 4: Simplify right side
    800,874.01x = 442,740,593,602.31
  5. Step 5: Solve for x
    x = 442,740,593,602.31/800,874.01
  6. Step 6: Final answer
    x = 552,821.78

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1.5x scale

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.