Home / 545,552.55-752,081.58-383,905.26

Finding the Fourth Proportional to 545,552.55, 752,081.58 and 383,905.26

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Solution

The fourth proportional to 545,552.55, 752,081.58 and 383,905.26 is: 529,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,552.55 : 752,081.58 = 383,905.26 : x
  2. Step 2: Convert to fraction form
    545,552.55/752,081.58 = 383,905.26/x
  3. Step 3: Cross multiply
    545,552.55x = 752,081.58 × 383,905.26
  4. Step 4: Simplify right side
    545,552.55x = 288,728,074,511.11
  5. Step 5: Solve for x
    x = 288,728,074,511.11/545,552.55
  6. Step 6: Final answer
    x = 529,239.71

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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.