Home / 810,457.82-1,214,600.07-630,760.24

Finding the Fourth Proportional to 810,457.82, 1,214,600.07 and 630,760.24

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Solution

The fourth proportional to 810,457.82, 1,214,600.07 and 630,760.24 is: 945,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,457.82 : 1,214,600.07 = 630,760.24 : x
  2. Step 2: Convert to fraction form
    810,457.82/1,214,600.07 = 630,760.24/x
  3. Step 3: Cross multiply
    810,457.82x = 1,214,600.07 × 630,760.24
  4. Step 4: Simplify right side
    810,457.82x = 766,121,431,657.22
  5. Step 5: Solve for x
    x = 766,121,431,657.22/810,457.82
  6. Step 6: Final answer
    x = 945,294.64

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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.