Home / 497,953.08-687,233.34-283,125.33

Finding the Fourth Proportional to 497,953.08, 687,233.34 and 283,125.33

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Solution

The fourth proportional to 497,953.08, 687,233.34 and 283,125.33 is: 390,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,953.08 : 687,233.34 = 283,125.33 : x
  2. Step 2: Convert to fraction form
    497,953.08/687,233.34 = 283,125.33/x
  3. Step 3: Cross multiply
    497,953.08x = 687,233.34 × 283,125.33
  4. Step 4: Simplify right side
    497,953.08x = 194,573,166,174.50
  5. Step 5: Solve for x
    x = 194,573,166,174.50/497,953.08
  6. Step 6: Final answer
    x = 390,745.98

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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.