Home / 519,975.45-780,036.08-204,358.95

Finding the Fourth Proportional to 519,975.45, 780,036.08 and 204,358.95

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Solution

The fourth proportional to 519,975.45, 780,036.08 and 204,358.95 is: 306,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,975.45 : 780,036.08 = 204,358.95 : x
  2. Step 2: Convert to fraction form
    519,975.45/780,036.08 = 204,358.95/x
  3. Step 3: Cross multiply
    519,975.45x = 780,036.08 × 204,358.95
  4. Step 4: Simplify right side
    519,975.45x = 159,407,353,249.12
  5. Step 5: Solve for x
    x = 159,407,353,249.12/519,975.45
  6. Step 6: Final answer
    x = 306,567.08

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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.