Home / 839,074.94-1,158,007.05-512,369.94

Finding the Fourth Proportional to 839,074.94, 1,158,007.05 and 512,369.94

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Solution

The fourth proportional to 839,074.94, 1,158,007.05 and 512,369.94 is: 707,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,074.94 : 1,158,007.05 = 512,369.94 : x
  2. Step 2: Convert to fraction form
    839,074.94/1,158,007.05 = 512,369.94/x
  3. Step 3: Cross multiply
    839,074.94x = 1,158,007.05 × 512,369.94
  4. Step 4: Simplify right side
    839,074.94x = 593,328,002,728.08
  5. Step 5: Solve for x
    x = 593,328,002,728.08/839,074.94
  6. Step 6: Final answer
    x = 707,121.59

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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.