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Finding the Fourth Proportional to 500,010.84, 690,016.79 and 270,568.13

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Solution

The fourth proportional to 500,010.84, 690,016.79 and 270,568.13 is: 373,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,010.84 : 690,016.79 = 270,568.13 : x
  2. Step 2: Convert to fraction form
    500,010.84/690,016.79 = 270,568.13/x
  3. Step 3: Cross multiply
    500,010.84x = 690,016.79 × 270,568.13
  4. Step 4: Simplify right side
    500,010.84x = 186,696,552,538.90
  5. Step 5: Solve for x
    x = 186,696,552,538.90/500,010.84
  6. Step 6: Final answer
    x = 373,385.01

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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.