Home / 667,844.42-921,743.70-506,427.35

Finding the Fourth Proportional to 667,844.42, 921,743.70 and 506,427.35

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Solution

The fourth proportional to 667,844.42, 921,743.70 and 506,427.35 is: 698,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,844.42 : 921,743.70 = 506,427.35 : x
  2. Step 2: Convert to fraction form
    667,844.42/921,743.70 = 506,427.35/x
  3. Step 3: Cross multiply
    667,844.42x = 921,743.70 × 506,427.35
  4. Step 4: Simplify right side
    667,844.42x = 466,796,219,370.20
  5. Step 5: Solve for x
    x = 466,796,219,370.20/667,844.42
  6. Step 6: Final answer
    x = 698,959.53

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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.