Home / 519,948.27-779,920.35-164,989.97

Finding the Fourth Proportional to 519,948.27, 779,920.35 and 164,989.97

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Solution

The fourth proportional to 519,948.27, 779,920.35 and 164,989.97 is: 247,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,948.27 : 779,920.35 = 164,989.97 : x
  2. Step 2: Convert to fraction form
    519,948.27/779,920.35 = 164,989.97/x
  3. Step 3: Cross multiply
    519,948.27x = 779,920.35 × 164,989.97
  4. Step 4: Simplify right side
    519,948.27x = 128,679,031,249.29
  5. Step 5: Solve for x
    x = 128,679,031,249.29/519,948.27
  6. Step 6: Final answer
    x = 247,484.30

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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.