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Finding the Fourth Proportional to 442,372.72, 610,446.36 and 291,673.84

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Solution

The fourth proportional to 442,372.72, 610,446.36 and 291,673.84 is: 402,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,372.72 : 610,446.36 = 291,673.84 : x
  2. Step 2: Convert to fraction form
    442,372.72/610,446.36 = 291,673.84/x
  3. Step 3: Cross multiply
    442,372.72x = 610,446.36 × 291,673.84
  4. Step 4: Simplify right side
    442,372.72x = 178,051,233,935.22
  5. Step 5: Solve for x
    x = 178,051,233,935.22/442,372.72
  6. Step 6: Final answer
    x = 402,491.44

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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.