Home / 790,381.32-1,185,793.98-317,398.84

Finding the Fourth Proportional to 790,381.32, 1,185,793.98 and 317,398.84

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Solution

The fourth proportional to 790,381.32, 1,185,793.98 and 317,398.84 is: 476,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,381.32 : 1,185,793.98 = 317,398.84 : x
  2. Step 2: Convert to fraction form
    790,381.32/1,185,793.98 = 317,398.84/x
  3. Step 3: Cross multiply
    790,381.32x = 1,185,793.98 × 317,398.84
  4. Step 4: Simplify right side
    790,381.32x = 376,369,633,730.98
  5. Step 5: Solve for x
    x = 376,369,633,730.98/790,381.32
  6. Step 6: Final answer
    x = 476,187.41

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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.