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Finding the Fourth Proportional to 608,764.80, 840,120.18 and 336,828.27

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Solution

The fourth proportional to 608,764.80, 840,120.18 and 336,828.27 is: 464,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,764.80 : 840,120.18 = 336,828.27 : x
  2. Step 2: Convert to fraction form
    608,764.80/840,120.18 = 336,828.27/x
  3. Step 3: Cross multiply
    608,764.80x = 840,120.18 × 336,828.27
  4. Step 4: Simplify right side
    608,764.80x = 282,976,226,821.49
  5. Step 5: Solve for x
    x = 282,976,226,821.49/608,764.80
  6. Step 6: Final answer
    x = 464,836.71

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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.