Home / 870,028.60-1,305,518.58-337,570.65

Finding the Fourth Proportional to 870,028.60, 1,305,518.58 and 337,570.65

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Solution

The fourth proportional to 870,028.60, 1,305,518.58 and 337,570.65 is: 506,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,028.60 : 1,305,518.58 = 337,570.65 : x
  2. Step 2: Convert to fraction form
    870,028.60/1,305,518.58 = 337,570.65/x
  3. Step 3: Cross multiply
    870,028.60x = 1,305,518.58 × 337,570.65
  4. Step 4: Simplify right side
    870,028.60x = 440,704,755,637.68
  5. Step 5: Solve for x
    x = 440,704,755,637.68/870,028.60
  6. Step 6: Final answer
    x = 506,540.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.