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Finding the Fourth Proportional to 1,385,972, 2,078,958.08 and 335,348

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Solution

The fourth proportional to 1,385,972, 2,078,958.08 and 335,348 is: 503,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,972 : 2,078,958.08 = 335,348 : x
  2. Step 2: Convert to fraction form
    1,385,972/2,078,958.08 = 335,348/x
  3. Step 3: Cross multiply
    1,385,972x = 2,078,958.08 × 335,348
  4. Step 4: Simplify right side
    1,385,972x = 697,174,434,211.84
  5. Step 5: Solve for x
    x = 697,174,434,211.84/1,385,972
  6. Step 6: Final answer
    x = 503,022.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.