Home / 751,562.40-1,128,218.40-452,380.80

Finding the Fourth Proportional to 751,562.40, 1,128,218.40 and 452,380.80

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Solution

The fourth proportional to 751,562.40, 1,128,218.40 and 452,380.80 is: 679,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,562.40 : 1,128,218.40 = 452,380.80 : x
  2. Step 2: Convert to fraction form
    751,562.40/1,128,218.40 = 452,380.80/x
  3. Step 3: Cross multiply
    751,562.40x = 1,128,218.40 × 452,380.80
  4. Step 4: Simplify right side
    751,562.40x = 510,384,342,366.72
  5. Step 5: Solve for x
    x = 510,384,342,366.72/751,562.40
  6. Step 6: Final answer
    x = 679,097.76

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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.