Home / 810,475.68-1,214,626.76-630,778.04

Finding the Fourth Proportional to 810,475.68, 1,214,626.76 and 630,778.04

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Solution

The fourth proportional to 810,475.68, 1,214,626.76 and 630,778.04 is: 945,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,475.68 : 1,214,626.76 = 630,778.04 : x
  2. Step 2: Convert to fraction form
    810,475.68/1,214,626.76 = 630,778.04/x
  3. Step 3: Cross multiply
    810,475.68x = 1,214,626.76 × 630,778.04
  4. Step 4: Simplify right side
    810,475.68x = 766,159,887,004.35
  5. Step 5: Solve for x
    x = 766,159,887,004.35/810,475.68
  6. Step 6: Final answer
    x = 945,321.26

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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.