Home / 883,287.60-1,218,942.72-501,320.76

Finding the Fourth Proportional to 883,287.60, 1,218,942.72 and 501,320.76

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Solution

The fourth proportional to 883,287.60, 1,218,942.72 and 501,320.76 is: 691,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,287.60 : 1,218,942.72 = 501,320.76 : x
  2. Step 2: Convert to fraction form
    883,287.60/1,218,942.72 = 501,320.76/x
  3. Step 3: Cross multiply
    883,287.60x = 1,218,942.72 × 501,320.76
  4. Step 4: Simplify right side
    883,287.60x = 611,081,290,786.87
  5. Step 5: Solve for x
    x = 611,081,290,786.87/883,287.60
  6. Step 6: Final answer
    x = 691,825.96

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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.