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Finding the Fourth Proportional to 608,894.83, 840,254.10 and 336,974.18

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Solution

The fourth proportional to 608,894.83, 840,254.10 and 336,974.18 is: 465,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,894.83 : 840,254.10 = 336,974.18 : x
  2. Step 2: Convert to fraction form
    608,894.83/840,254.10 = 336,974.18/x
  3. Step 3: Cross multiply
    608,894.83x = 840,254.10 × 336,974.18
  4. Step 4: Simplify right side
    608,894.83x = 283,143,936,339.14
  5. Step 5: Solve for x
    x = 283,143,936,339.14/608,894.83
  6. Step 6: Final answer
    x = 465,012.88

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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.