Home / 980,031.90-1,352,349.90-550,213.50

Finding the Fourth Proportional to 980,031.90, 1,352,349.90 and 550,213.50

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Solution

The fourth proportional to 980,031.90, 1,352,349.90 and 550,213.50 is: 759,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,031.90 : 1,352,349.90 = 550,213.50 : x
  2. Step 2: Convert to fraction form
    980,031.90/1,352,349.90 = 550,213.50/x
  3. Step 3: Cross multiply
    980,031.90x = 1,352,349.90 × 550,213.50
  4. Step 4: Simplify right side
    980,031.90x = 744,081,171,703.65
  5. Step 5: Solve for x
    x = 744,081,171,703.65/980,031.90
  6. Step 6: Final answer
    x = 759,241.79

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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.