Home / 787,385.55-1,086,592.32-460,761.35

Finding the Fourth Proportional to 787,385.55, 1,086,592.32 and 460,761.35

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Solution

The fourth proportional to 787,385.55, 1,086,592.32 and 460,761.35 is: 635,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,385.55 : 1,086,592.32 = 460,761.35 : x
  2. Step 2: Convert to fraction form
    787,385.55/1,086,592.32 = 460,761.35/x
  3. Step 3: Cross multiply
    787,385.55x = 1,086,592.32 × 460,761.35
  4. Step 4: Simplify right side
    787,385.55x = 500,659,738,829.87
  5. Step 5: Solve for x
    x = 500,659,738,829.87/787,385.55
  6. Step 6: Final answer
    x = 635,850.81

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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.