Home / 810,027.40-1,214,457.90-455,150.20

Finding the Fourth Proportional to 810,027.40, 1,214,457.90 and 455,150.20

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Solution

The fourth proportional to 810,027.40, 1,214,457.90 and 455,150.20 is: 682,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,027.40 : 1,214,457.90 = 455,150.20 : x
  2. Step 2: Convert to fraction form
    810,027.40/1,214,457.90 = 455,150.20/x
  3. Step 3: Cross multiply
    810,027.40x = 1,214,457.90 × 455,150.20
  4. Step 4: Simplify right side
    810,027.40x = 552,760,756,076.58
  5. Step 5: Solve for x
    x = 552,760,756,076.58/810,027.40
  6. Step 6: Final answer
    x = 682,397.60

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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.