Home / 751,390.86-1,037,025.69-465,003.21

Finding the Fourth Proportional to 751,390.86, 1,037,025.69 and 465,003.21

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Solution

The fourth proportional to 751,390.86, 1,037,025.69 and 465,003.21 is: 641,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,390.86 : 1,037,025.69 = 465,003.21 : x
  2. Step 2: Convert to fraction form
    751,390.86/1,037,025.69 = 465,003.21/x
  3. Step 3: Cross multiply
    751,390.86x = 1,037,025.69 × 465,003.21
  4. Step 4: Simplify right side
    751,390.86x = 482,220,274,702.47
  5. Step 5: Solve for x
    x = 482,220,274,702.47/751,390.86
  6. Step 6: Final answer
    x = 641,770.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.