Home / 807,546.16-1,209,766.86-451,480.36

Finding the Fourth Proportional to 807,546.16, 1,209,766.86 and 451,480.36

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Solution

The fourth proportional to 807,546.16, 1,209,766.86 and 451,480.36 is: 676,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,546.16 : 1,209,766.86 = 451,480.36 : x
  2. Step 2: Convert to fraction form
    807,546.16/1,209,766.86 = 451,480.36/x
  3. Step 3: Cross multiply
    807,546.16x = 1,209,766.86 × 451,480.36
  4. Step 4: Simplify right side
    807,546.16x = 546,185,977,468.87
  5. Step 5: Solve for x
    x = 546,185,977,468.87/807,546.16
  6. Step 6: Final answer
    x = 676,352.64

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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.