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Finding the Fourth Proportional to 607,564.80, 910,472.40 and 270,329.40

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Solution

The fourth proportional to 607,564.80, 910,472.40 and 270,329.40 is: 405,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,564.80 : 910,472.40 = 270,329.40 : x
  2. Step 2: Convert to fraction form
    607,564.80/910,472.40 = 270,329.40/x
  3. Step 3: Cross multiply
    607,564.80x = 910,472.40 × 270,329.40
  4. Step 4: Simplify right side
    607,564.80x = 246,127,457,608.56
  5. Step 5: Solve for x
    x = 246,127,457,608.56/607,564.80
  6. Step 6: Final answer
    x = 405,104.87

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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.