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Finding the Fourth Proportional to 500,332.73, 690,450.77 and 270,888.14

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Solution

The fourth proportional to 500,332.73, 690,450.77 and 270,888.14 is: 373,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,332.73 : 690,450.77 = 270,888.14 : x
  2. Step 2: Convert to fraction form
    500,332.73/690,450.77 = 270,888.14/x
  3. Step 3: Cross multiply
    500,332.73x = 690,450.77 × 270,888.14
  4. Step 4: Simplify right side
    500,332.73x = 187,034,927,250.22
  5. Step 5: Solve for x
    x = 187,034,927,250.22/500,332.73
  6. Step 6: Final answer
    x = 373,821.10

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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.