Home / 840,034.42-1,260,049.12-208,948.26

Finding the Fourth Proportional to 840,034.42, 1,260,049.12 and 208,948.26

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Solution

The fourth proportional to 840,034.42, 1,260,049.12 and 208,948.26 is: 313,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,034.42 : 1,260,049.12 = 208,948.26 : x
  2. Step 2: Convert to fraction form
    840,034.42/1,260,049.12 = 208,948.26/x
  3. Step 3: Cross multiply
    840,034.42x = 1,260,049.12 × 208,948.26
  4. Step 4: Simplify right side
    840,034.42x = 263,285,071,138.53
  5. Step 5: Solve for x
    x = 263,285,071,138.53/840,034.42
  6. Step 6: Final answer
    x = 313,421.77

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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.