Home / 519,764.46-779,756.85-164,731.74

Finding the Fourth Proportional to 519,764.46, 779,756.85 and 164,731.74

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Solution

The fourth proportional to 519,764.46, 779,756.85 and 164,731.74 is: 247,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,764.46 : 779,756.85 = 164,731.74 : x
  2. Step 2: Convert to fraction form
    519,764.46/779,756.85 = 164,731.74/x
  3. Step 3: Cross multiply
    519,764.46x = 779,756.85 × 164,731.74
  4. Step 4: Simplify right side
    519,764.46x = 128,450,702,677.42
  5. Step 5: Solve for x
    x = 128,450,702,677.42/519,764.46
  6. Step 6: Final answer
    x = 247,132.52

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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.