Home / 873,816.39-1,311,234.08-368,346.42

Finding the Fourth Proportional to 873,816.39, 1,311,234.08 and 368,346.42

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Solution

The fourth proportional to 873,816.39, 1,311,234.08 and 368,346.42 is: 552,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,816.39 : 1,311,234.08 = 368,346.42 : x
  2. Step 2: Convert to fraction form
    873,816.39/1,311,234.08 = 368,346.42/x
  3. Step 3: Cross multiply
    873,816.39x = 1,311,234.08 × 368,346.42
  4. Step 4: Simplify right side
    873,816.39x = 482,988,377,308.26
  5. Step 5: Solve for x
    x = 482,988,377,308.26/873,816.39
  6. Step 6: Final answer
    x = 552,734.40

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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.