Home / 560,787.75-773,890.34-306,141.57

Finding the Fourth Proportional to 560,787.75, 773,890.34 and 306,141.57

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Solution

The fourth proportional to 560,787.75, 773,890.34 and 306,141.57 is: 422,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,787.75 : 773,890.34 = 306,141.57 : x
  2. Step 2: Convert to fraction form
    560,787.75/773,890.34 = 306,141.57/x
  3. Step 3: Cross multiply
    560,787.75x = 773,890.34 × 306,141.57
  4. Step 4: Simplify right side
    560,787.75x = 236,920,002,164.73
  5. Step 5: Solve for x
    x = 236,920,002,164.73/560,787.75
  6. Step 6: Final answer
    x = 422,477.14

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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.