Home / 507,061.09-760,682.13-170,211.43

Finding the Fourth Proportional to 507,061.09, 760,682.13 and 170,211.43

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Solution

The fourth proportional to 507,061.09, 760,682.13 and 170,211.43 is: 255,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,061.09 : 760,682.13 = 170,211.43 : x
  2. Step 2: Convert to fraction form
    507,061.09/760,682.13 = 170,211.43/x
  3. Step 3: Cross multiply
    507,061.09x = 760,682.13 × 170,211.43
  4. Step 4: Simplify right side
    507,061.09x = 129,476,793,122.75
  5. Step 5: Solve for x
    x = 129,476,793,122.75/507,061.09
  6. Step 6: Final answer
    x = 255,347.52

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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.