Home / 970,090.80-1,455,136.20-767,137.20

Finding the Fourth Proportional to 970,090.80, 1,455,136.20 and 767,137.20

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Solution

The fourth proportional to 970,090.80, 1,455,136.20 and 767,137.20 is: 1,150,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,090.80 : 1,455,136.20 = 767,137.20 : x
  2. Step 2: Convert to fraction form
    970,090.80/1,455,136.20 = 767,137.20/x
  3. Step 3: Cross multiply
    970,090.80x = 1,455,136.20 × 767,137.20
  4. Step 4: Simplify right side
    970,090.80x = 1,116,289,110,086.64
  5. Step 5: Solve for x
    x = 1,116,289,110,086.64/970,090.80
  6. Step 6: Final answer
    x = 1,150,705.80

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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.