Home / 608,865.20-840,221.40-336,932.92

Finding the Fourth Proportional to 608,865.20, 840,221.40 and 336,932.92

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Solution

The fourth proportional to 608,865.20, 840,221.40 and 336,932.92 is: 464,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,865.20 : 840,221.40 = 336,932.92 : x
  2. Step 2: Convert to fraction form
    608,865.20/840,221.40 = 336,932.92/x
  3. Step 3: Cross multiply
    608,865.20x = 840,221.40 × 336,932.92
  4. Step 4: Simplify right side
    608,865.20x = 283,098,249,748.49
  5. Step 5: Solve for x
    x = 283,098,249,748.49/608,865.20
  6. Step 6: Final answer
    x = 464,960.47

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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.