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Finding the Fourth Proportional to 1,385,971, 2,078,956.58 and 335,347

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Solution

The fourth proportional to 1,385,971, 2,078,956.58 and 335,347 is: 503,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,971 : 2,078,956.58 = 335,347 : x
  2. Step 2: Convert to fraction form
    1,385,971/2,078,956.58 = 335,347/x
  3. Step 3: Cross multiply
    1,385,971x = 2,078,956.58 × 335,347
  4. Step 4: Simplify right side
    1,385,971x = 697,171,852,233.26
  5. Step 5: Solve for x
    x = 697,171,852,233.26/1,385,971
  6. Step 6: Final answer
    x = 503,020.52

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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.