Home / 980,287.59-1,352,802.26-550,567.76

Finding the Fourth Proportional to 980,287.59, 1,352,802.26 and 550,567.76

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Solution

The fourth proportional to 980,287.59, 1,352,802.26 and 550,567.76 is: 759,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,287.59 : 1,352,802.26 = 550,567.76 : x
  2. Step 2: Convert to fraction form
    980,287.59/1,352,802.26 = 550,567.76/x
  3. Step 3: Cross multiply
    980,287.59x = 1,352,802.26 × 550,567.76
  4. Step 4: Simplify right side
    980,287.59x = 744,809,308,428.30
  5. Step 5: Solve for x
    x = 744,809,308,428.30/980,287.59
  6. Step 6: Final answer
    x = 759,786.53

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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.