Home / 790,557.84-1,185,815.23-221,943.65

Finding the Fourth Proportional to 790,557.84, 1,185,815.23 and 221,943.65

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Solution

The fourth proportional to 790,557.84, 1,185,815.23 and 221,943.65 is: 332,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,557.84 : 1,185,815.23 = 221,943.65 : x
  2. Step 2: Convert to fraction form
    790,557.84/1,185,815.23 = 221,943.65/x
  3. Step 3: Cross multiply
    790,557.84x = 1,185,815.23 × 221,943.65
  4. Step 4: Simplify right side
    790,557.84x = 263,184,163,030.41
  5. Step 5: Solve for x
    x = 263,184,163,030.41/790,557.84
  6. Step 6: Final answer
    x = 332,909.43

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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.