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Finding the Fourth Proportional to 442,165.60, 610,651.71 and 304,701.94

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Solution

The fourth proportional to 442,165.60, 610,651.71 and 304,701.94 is: 420,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,165.60 : 610,651.71 = 304,701.94 : x
  2. Step 2: Convert to fraction form
    442,165.60/610,651.71 = 304,701.94/x
  3. Step 3: Cross multiply
    442,165.60x = 610,651.71 × 304,701.94
  4. Step 4: Simplify right side
    442,165.60x = 186,066,760,701.32
  5. Step 5: Solve for x
    x = 186,066,760,701.32/442,165.60
  6. Step 6: Final answer
    x = 420,807.86

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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.