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Finding the Fourth Proportional to 500,039.01, 690,053.82 and 270,596.29

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Solution

The fourth proportional to 500,039.01, 690,053.82 and 270,596.29 is: 373,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,039.01 : 690,053.82 = 270,596.29 : x
  2. Step 2: Convert to fraction form
    500,039.01/690,053.82 = 270,596.29/x
  3. Step 3: Cross multiply
    500,039.01x = 690,053.82 × 270,596.29
  4. Step 4: Simplify right side
    500,039.01x = 186,726,006,522.51
  5. Step 5: Solve for x
    x = 186,726,006,522.51/500,039.01
  6. Step 6: Final answer
    x = 373,422.88

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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.