Home / 540,385.20-745,770.18-298,662.57

Finding the Fourth Proportional to 540,385.20, 745,770.18 and 298,662.57

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Solution

The fourth proportional to 540,385.20, 745,770.18 and 298,662.57 is: 412,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,385.20 : 745,770.18 = 298,662.57 : x
  2. Step 2: Convert to fraction form
    540,385.20/745,770.18 = 298,662.57/x
  3. Step 3: Cross multiply
    540,385.20x = 745,770.18 × 298,662.57
  4. Step 4: Simplify right side
    540,385.20x = 222,733,638,588.16
  5. Step 5: Solve for x
    x = 222,733,638,588.16/540,385.20
  6. Step 6: Final answer
    x = 412,175.68

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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.