Home / 743,214.71-1,114,845.12-353,635.70

Finding the Fourth Proportional to 743,214.71, 1,114,845.12 and 353,635.70

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Solution

The fourth proportional to 743,214.71, 1,114,845.12 and 353,635.70 is: 530,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,214.71 : 1,114,845.12 = 353,635.70 : x
  2. Step 2: Convert to fraction form
    743,214.71/1,114,845.12 = 353,635.70/x
  3. Step 3: Cross multiply
    743,214.71x = 1,114,845.12 × 353,635.70
  4. Step 4: Simplify right side
    743,214.71x = 394,249,028,828.56
  5. Step 5: Solve for x
    x = 394,249,028,828.56/743,214.71
  6. Step 6: Final answer
    x = 530,464.51

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Double scale
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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.