Home / 499,970.40-689,957.25-270,528.13

Finding the Fourth Proportional to 499,970.40, 689,957.25 and 270,528.13

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Solution

The fourth proportional to 499,970.40, 689,957.25 and 270,528.13 is: 373,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,970.40 : 689,957.25 = 270,528.13 : x
  2. Step 2: Convert to fraction form
    499,970.40/689,957.25 = 270,528.13/x
  3. Step 3: Cross multiply
    499,970.40x = 689,957.25 × 270,528.13
  4. Step 4: Simplify right side
    499,970.40x = 186,652,846,778.56
  5. Step 5: Solve for x
    x = 186,652,846,778.56/499,970.40
  6. Step 6: Final answer
    x = 373,327.79

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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.