Home / 980,015.35-1,470,208.92-340,294.18

Finding the Fourth Proportional to 980,015.35, 1,470,208.92 and 340,294.18

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Solution

The fourth proportional to 980,015.35, 1,470,208.92 and 340,294.18 is: 510,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,015.35 : 1,470,208.92 = 340,294.18 : x
  2. Step 2: Convert to fraction form
    980,015.35/1,470,208.92 = 340,294.18/x
  3. Step 3: Cross multiply
    980,015.35x = 1,470,208.92 × 340,294.18
  4. Step 4: Simplify right side
    980,015.35x = 500,303,538,860.09
  5. Step 5: Solve for x
    x = 500,303,538,860.09/980,015.35
  6. Step 6: Final answer
    x = 510,505.82

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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.