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Finding the Fourth Proportional to 500,044.48, 690,058.73 and 270,601.63

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Solution

The fourth proportional to 500,044.48, 690,058.73 and 270,601.63 is: 373,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,044.48 : 690,058.73 = 270,601.63 : x
  2. Step 2: Convert to fraction form
    500,044.48/690,058.73 = 270,601.63/x
  3. Step 3: Cross multiply
    500,044.48x = 690,058.73 × 270,601.63
  4. Step 4: Simplify right side
    500,044.48x = 186,731,016,085.09
  5. Step 5: Solve for x
    x = 186,731,016,085.09/500,044.48
  6. Step 6: Final answer
    x = 373,428.81

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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.