Home / 980,588.76-1,470,967.65-270,616.79

Finding the Fourth Proportional to 980,588.76, 1,470,967.65 and 270,616.79

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Solution

The fourth proportional to 980,588.76, 1,470,967.65 and 270,616.79 is: 405,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,588.76 : 1,470,967.65 = 270,616.79 : x
  2. Step 2: Convert to fraction form
    980,588.76/1,470,967.65 = 270,616.79/x
  3. Step 3: Cross multiply
    980,588.76x = 1,470,967.65 × 270,616.79
  4. Step 4: Simplify right side
    980,588.76x = 398,068,547,314.26
  5. Step 5: Solve for x
    x = 398,068,547,314.26/980,588.76
  6. Step 6: Final answer
    x = 405,948.51

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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.