Home / 862,620.57-1,190,421.09-500,259.24

Finding the Fourth Proportional to 862,620.57, 1,190,421.09 and 500,259.24

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Solution

The fourth proportional to 862,620.57, 1,190,421.09 and 500,259.24 is: 690,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,620.57 : 1,190,421.09 = 500,259.24 : x
  2. Step 2: Convert to fraction form
    862,620.57/1,190,421.09 = 500,259.24/x
  3. Step 3: Cross multiply
    862,620.57x = 1,190,421.09 × 500,259.24
  4. Step 4: Simplify right side
    862,620.57x = 595,519,149,763.37
  5. Step 5: Solve for x
    x = 595,519,149,763.37/862,620.57
  6. Step 6: Final answer
    x = 690,360.48

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Double scale
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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.