Home / 839,671.91-1,158,703.52-477,045.44

Finding the Fourth Proportional to 839,671.91, 1,158,703.52 and 477,045.44

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Solution

The fourth proportional to 839,671.91, 1,158,703.52 and 477,045.44 is: 658,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,671.91 : 1,158,703.52 = 477,045.44 : x
  2. Step 2: Convert to fraction form
    839,671.91/1,158,703.52 = 477,045.44/x
  3. Step 3: Cross multiply
    839,671.91x = 1,158,703.52 × 477,045.44
  4. Step 4: Simplify right side
    839,671.91x = 552,754,230,527.95
  5. Step 5: Solve for x
    x = 552,754,230,527.95/839,671.91
  6. Step 6: Final answer
    x = 658,297.87

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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.