Home / 980,574.97-1,470,020.06-340,795.60

Finding the Fourth Proportional to 980,574.97, 1,470,020.06 and 340,795.60

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Solution

The fourth proportional to 980,574.97, 1,470,020.06 and 340,795.60 is: 510,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,574.97 : 1,470,020.06 = 340,795.60 : x
  2. Step 2: Convert to fraction form
    980,574.97/1,470,020.06 = 340,795.60/x
  3. Step 3: Cross multiply
    980,574.97x = 1,470,020.06 × 340,795.60
  4. Step 4: Simplify right side
    980,574.97x = 500,976,359,305.66
  5. Step 5: Solve for x
    x = 500,976,359,305.66/980,574.97
  6. Step 6: Final answer
    x = 510,900.62

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1.5x scale

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.