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Finding the Fourth Proportional to 471,493.04, 650,785.53 and 290,356.83

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Solution

The fourth proportional to 471,493.04, 650,785.53 and 290,356.83 is: 400,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,493.04 : 650,785.53 = 290,356.83 : x
  2. Step 2: Convert to fraction form
    471,493.04/650,785.53 = 290,356.83/x
  3. Step 3: Cross multiply
    471,493.04x = 650,785.53 × 290,356.83
  4. Step 4: Simplify right side
    471,493.04x = 188,960,023,500.67
  5. Step 5: Solve for x
    x = 188,960,023,500.67/471,493.04
  6. Step 6: Final answer
    x = 400,769.49

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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.