Home / 757,606.20-1,136,285.28-308,308.92

Finding the Fourth Proportional to 757,606.20, 1,136,285.28 and 308,308.92

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Solution

The fourth proportional to 757,606.20, 1,136,285.28 and 308,308.92 is: 462,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,606.20 : 1,136,285.28 = 308,308.92 : x
  2. Step 2: Convert to fraction form
    757,606.20/1,136,285.28 = 308,308.92/x
  3. Step 3: Cross multiply
    757,606.20x = 1,136,285.28 × 308,308.92
  4. Step 4: Simplify right side
    757,606.20x = 350,326,887,488.70
  5. Step 5: Solve for x
    x = 350,326,887,488.70/757,606.20
  6. Step 6: Final answer
    x = 462,412.91

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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.