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Finding the Fourth Proportional to 618,099.62, 852,880.02 and 360,019.04

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Solution

The fourth proportional to 618,099.62, 852,880.02 and 360,019.04 is: 496,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,099.62 : 852,880.02 = 360,019.04 : x
  2. Step 2: Convert to fraction form
    618,099.62/852,880.02 = 360,019.04/x
  3. Step 3: Cross multiply
    618,099.62x = 852,880.02 × 360,019.04
  4. Step 4: Simplify right side
    618,099.62x = 307,053,041,771.18
  5. Step 5: Solve for x
    x = 307,053,041,771.18/618,099.62
  6. Step 6: Final answer
    x = 496,769.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.