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Finding the Fourth Proportional to 608,929.14, 840,323.76 and 337,015.74

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Solution

The fourth proportional to 608,929.14, 840,323.76 and 337,015.74 is: 465,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,929.14 : 840,323.76 = 337,015.74 : x
  2. Step 2: Convert to fraction form
    608,929.14/840,323.76 = 337,015.74/x
  3. Step 3: Cross multiply
    608,929.14x = 840,323.76 × 337,015.74
  4. Step 4: Simplify right side
    608,929.14x = 283,202,333,815.98
  5. Step 5: Solve for x
    x = 283,202,333,815.98/608,929.14
  6. Step 6: Final answer
    x = 465,082.58

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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.