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Finding the Fourth Proportional to 608,688.32, 840,007.68 and 333,062.72

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Solution

The fourth proportional to 608,688.32, 840,007.68 and 333,062.72 is: 459,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,688.32 : 840,007.68 = 333,062.72 : x
  2. Step 2: Convert to fraction form
    608,688.32/840,007.68 = 333,062.72/x
  3. Step 3: Cross multiply
    608,688.32x = 840,007.68 × 333,062.72
  4. Step 4: Simplify right side
    608,688.32x = 279,775,242,721.69
  5. Step 5: Solve for x
    x = 279,775,242,721.69/608,688.32
  6. Step 6: Final answer
    x = 459,636.29

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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.