Home / 515,331.95-773,002.04-211,647.86

Finding the Fourth Proportional to 515,331.95, 773,002.04 and 211,647.86

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Solution

The fourth proportional to 515,331.95, 773,002.04 and 211,647.86 is: 317,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,331.95 : 773,002.04 = 211,647.86 : x
  2. Step 2: Convert to fraction form
    515,331.95/773,002.04 = 211,647.86/x
  3. Step 3: Cross multiply
    515,331.95x = 773,002.04 × 211,647.86
  4. Step 4: Simplify right side
    515,331.95x = 163,604,222,618.39
  5. Step 5: Solve for x
    x = 163,604,222,618.39/515,331.95
  6. Step 6: Final answer
    x = 317,473.47

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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.