Home / 670,084.84-1,005,275.52-220,787.56

Finding the Fourth Proportional to 670,084.84, 1,005,275.52 and 220,787.56

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Solution

The fourth proportional to 670,084.84, 1,005,275.52 and 220,787.56 is: 331,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,084.84 : 1,005,275.52 = 220,787.56 : x
  2. Step 2: Convert to fraction form
    670,084.84/1,005,275.52 = 220,787.56/x
  3. Step 3: Cross multiply
    670,084.84x = 1,005,275.52 × 220,787.56
  4. Step 4: Simplify right side
    670,084.84x = 221,952,329,188.53
  5. Step 5: Solve for x
    x = 221,952,329,188.53/670,084.84
  6. Step 6: Final answer
    x = 331,230.19

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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.