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Finding the Fourth Proportional to 613,364.10, 920,592.90 and 360,328.20

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Solution

The fourth proportional to 613,364.10, 920,592.90 and 360,328.20 is: 540,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,364.10 : 920,592.90 = 360,328.20 : x
  2. Step 2: Convert to fraction form
    613,364.10/920,592.90 = 360,328.20/x
  3. Step 3: Cross multiply
    613,364.10x = 920,592.90 × 360,328.20
  4. Step 4: Simplify right side
    613,364.10x = 331,715,582,589.78
  5. Step 5: Solve for x
    x = 331,715,582,589.78/613,364.10
  6. Step 6: Final answer
    x = 540,813.49

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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.