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Finding the Fourth Proportional to 491,451.40, 736,010.70 and 302,494.60

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Solution

The fourth proportional to 491,451.40, 736,010.70 and 302,494.60 is: 453,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,451.40 : 736,010.70 = 302,494.60 : x
  2. Step 2: Convert to fraction form
    491,451.40/736,010.70 = 302,494.60/x
  3. Step 3: Cross multiply
    491,451.40x = 736,010.70 × 302,494.60
  4. Step 4: Simplify right side
    491,451.40x = 222,639,262,292.22
  5. Step 5: Solve for x
    x = 222,639,262,292.22/491,451.40
  6. Step 6: Final answer
    x = 453,023.97

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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.