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Finding the Fourth Proportional to 608,120.40, 839,200.52 and 336,205.20

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Solution

The fourth proportional to 608,120.40, 839,200.52 and 336,205.20 is: 463,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,120.40 : 839,200.52 = 336,205.20 : x
  2. Step 2: Convert to fraction form
    608,120.40/839,200.52 = 336,205.20/x
  3. Step 3: Cross multiply
    608,120.40x = 839,200.52 × 336,205.20
  4. Step 4: Simplify right side
    608,120.40x = 282,143,578,666.70
  5. Step 5: Solve for x
    x = 282,143,578,666.70/608,120.40
  6. Step 6: Final answer
    x = 463,960.06

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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.