Home / 508,965.21-763,531.65-172,026.27

Finding the Fourth Proportional to 508,965.21, 763,531.65 and 172,026.27

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Solution

The fourth proportional to 508,965.21, 763,531.65 and 172,026.27 is: 258,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,965.21 : 763,531.65 = 172,026.27 : x
  2. Step 2: Convert to fraction form
    508,965.21/763,531.65 = 172,026.27/x
  3. Step 3: Cross multiply
    508,965.21x = 763,531.65 × 172,026.27
  4. Step 4: Simplify right side
    508,965.21x = 131,347,501,776.45
  5. Step 5: Solve for x
    x = 131,347,501,776.45/508,965.21
  6. Step 6: Final answer
    x = 258,067.74

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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.