Home / 850,403.57-1,275,607.11-798,440.45

Finding the Fourth Proportional to 850,403.57, 1,275,607.11 and 798,440.45

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Solution

The fourth proportional to 850,403.57, 1,275,607.11 and 798,440.45 is: 1,197,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,403.57 : 1,275,607.11 = 798,440.45 : x
  2. Step 2: Convert to fraction form
    850,403.57/1,275,607.11 = 798,440.45/x
  3. Step 3: Cross multiply
    850,403.57x = 1,275,607.11 × 798,440.45
  4. Step 4: Simplify right side
    850,403.57x = 1,018,496,314,931.60
  5. Step 5: Solve for x
    x = 1,018,496,314,931.60/850,403.57
  6. Step 6: Final answer
    x = 1,197,662.32

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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.