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Finding the Fourth Proportional to 577,985.42, 797,780.33 and 336,314.84

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Solution

The fourth proportional to 577,985.42, 797,780.33 and 336,314.84 is: 464,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,985.42 : 797,780.33 = 336,314.84 : x
  2. Step 2: Convert to fraction form
    577,985.42/797,780.33 = 336,314.84/x
  3. Step 3: Cross multiply
    577,985.42x = 797,780.33 × 336,314.84
  4. Step 4: Simplify right side
    577,985.42x = 268,305,358,368.62
  5. Step 5: Solve for x
    x = 268,305,358,368.62/577,985.42
  6. Step 6: Final answer
    x = 464,207.84

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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.