Home / 862,930.89-1,190,580.74-500,282.38

Finding the Fourth Proportional to 862,930.89, 1,190,580.74 and 500,282.38

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Solution

The fourth proportional to 862,930.89, 1,190,580.74 and 500,282.38 is: 690,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,930.89 : 1,190,580.74 = 500,282.38 : x
  2. Step 2: Convert to fraction form
    862,930.89/1,190,580.74 = 500,282.38/x
  3. Step 3: Cross multiply
    862,930.89x = 1,190,580.74 × 500,282.38
  4. Step 4: Simplify right side
    862,930.89x = 595,626,573,214.83
  5. Step 5: Solve for x
    x = 595,626,573,214.83/862,930.89
  6. Step 6: Final answer
    x = 690,236.70

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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.