Home / 883,097.20-1,218,355.27-500,902.55

Finding the Fourth Proportional to 883,097.20, 1,218,355.27 and 500,902.55

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Solution

The fourth proportional to 883,097.20, 1,218,355.27 and 500,902.55 is: 691,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,097.20 : 1,218,355.27 = 500,902.55 : x
  2. Step 2: Convert to fraction form
    883,097.20/1,218,355.27 = 500,902.55/x
  3. Step 3: Cross multiply
    883,097.20x = 1,218,355.27 × 500,902.55
  4. Step 4: Simplify right side
    883,097.20x = 610,277,261,591.32
  5. Step 5: Solve for x
    x = 610,277,261,591.32/883,097.20
  6. Step 6: Final answer
    x = 691,064.65

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1.5x scale

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.