Home / 486,077.04-670,735.44-268,281.70

Finding the Fourth Proportional to 486,077.04, 670,735.44 and 268,281.70

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Solution

The fourth proportional to 486,077.04, 670,735.44 and 268,281.70 is: 370,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,077.04 : 670,735.44 = 268,281.70 : x
  2. Step 2: Convert to fraction form
    486,077.04/670,735.44 = 268,281.70/x
  3. Step 3: Cross multiply
    486,077.04x = 670,735.44 × 268,281.70
  4. Step 4: Simplify right side
    486,077.04x = 179,946,042,416.61
  5. Step 5: Solve for x
    x = 179,946,042,416.61/486,077.04
  6. Step 6: Final answer
    x = 370,200.66

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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.