Home / 883,286.10-1,218,940.65-501,319.26

Finding the Fourth Proportional to 883,286.10, 1,218,940.65 and 501,319.26

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Solution

The fourth proportional to 883,286.10, 1,218,940.65 and 501,319.26 is: 691,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,286.10 : 1,218,940.65 = 501,319.26 : x
  2. Step 2: Convert to fraction form
    883,286.10/1,218,940.65 = 501,319.26/x
  3. Step 3: Cross multiply
    883,286.10x = 1,218,940.65 × 501,319.26
  4. Step 4: Simplify right side
    883,286.10x = 611,078,424,641.92
  5. Step 5: Solve for x
    x = 611,078,424,641.92/883,286.10
  6. Step 6: Final answer
    x = 691,823.89

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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.