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Finding the Fourth Proportional to 445,463.66, 611,331.48 and 442,314.38

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Solution

The fourth proportional to 445,463.66, 611,331.48 and 442,314.38 is: 607,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,463.66 : 611,331.48 = 442,314.38 : x
  2. Step 2: Convert to fraction form
    445,463.66/611,331.48 = 442,314.38/x
  3. Step 3: Cross multiply
    445,463.66x = 611,331.48 × 442,314.38
  4. Step 4: Simplify right side
    445,463.66x = 270,400,704,550.68
  5. Step 5: Solve for x
    x = 270,400,704,550.68/445,463.66
  6. Step 6: Final answer
    x = 607,009.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.