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Finding the Fourth Proportional to 511,902.63, 766,278.90 and 334,026.63

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Solution

The fourth proportional to 511,902.63, 766,278.90 and 334,026.63 is: 500,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,902.63 : 766,278.90 = 334,026.63 : x
  2. Step 2: Convert to fraction form
    511,902.63/766,278.90 = 334,026.63/x
  3. Step 3: Cross multiply
    511,902.63x = 766,278.90 × 334,026.63
  4. Step 4: Simplify right side
    511,902.63x = 255,957,558,607.11
  5. Step 5: Solve for x
    x = 255,957,558,607.11/511,902.63
  6. Step 6: Final answer
    x = 500,012.20

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1.5x scale

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.