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Finding the Fourth Proportional to 1,385,970, 2,078,955.08 and 335,346

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Solution

The fourth proportional to 1,385,970, 2,078,955.08 and 335,346 is: 503,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,970 : 2,078,955.08 = 335,346 : x
  2. Step 2: Convert to fraction form
    1,385,970/2,078,955.08 = 335,346/x
  3. Step 3: Cross multiply
    1,385,970x = 2,078,955.08 × 335,346
  4. Step 4: Simplify right side
    1,385,970x = 697,169,270,257.68
  5. Step 5: Solve for x
    x = 697,169,270,257.68/1,385,970
  6. Step 6: Final answer
    x = 503,019.02

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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.