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Finding the Fourth Proportional to 608,397.48, 908,140.01 and 536,573.97

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Solution

The fourth proportional to 608,397.48, 908,140.01 and 536,573.97 is: 800,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,397.48 : 908,140.01 = 536,573.97 : x
  2. Step 2: Convert to fraction form
    608,397.48/908,140.01 = 536,573.97/x
  3. Step 3: Cross multiply
    608,397.48x = 908,140.01 × 536,573.97
  4. Step 4: Simplify right side
    608,397.48x = 487,284,287,798.67
  5. Step 5: Solve for x
    x = 487,284,287,798.67/608,397.48
  6. Step 6: Final answer
    x = 800,930.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.