Home / 970,801.26-1,456,200.72-260,829.30

Finding the Fourth Proportional to 970,801.26, 1,456,200.72 and 260,829.30

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Solution

The fourth proportional to 970,801.26, 1,456,200.72 and 260,829.30 is: 391,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,801.26 : 1,456,200.72 = 260,829.30 : x
  2. Step 2: Convert to fraction form
    970,801.26/1,456,200.72 = 260,829.30/x
  3. Step 3: Cross multiply
    970,801.26x = 1,456,200.72 × 260,829.30
  4. Step 4: Simplify right side
    970,801.26x = 379,819,814,457.10
  5. Step 5: Solve for x
    x = 379,819,814,457.10/970,801.26
  6. Step 6: Final answer
    x = 391,243.64

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Double scale
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Similar ratio
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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.