Home / 772,231.02-1,065,679.11-470,425.02

Finding the Fourth Proportional to 772,231.02, 1,065,679.11 and 470,425.02

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Solution

The fourth proportional to 772,231.02, 1,065,679.11 and 470,425.02 is: 649,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,231.02 : 1,065,679.11 = 470,425.02 : x
  2. Step 2: Convert to fraction form
    772,231.02/1,065,679.11 = 470,425.02/x
  3. Step 3: Cross multiply
    772,231.02x = 1,065,679.11 × 470,425.02
  4. Step 4: Simplify right side
    772,231.02x = 501,322,116,635.33
  5. Step 5: Solve for x
    x = 501,322,116,635.33/772,231.02
  6. Step 6: Final answer
    x = 649,186.71

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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.