Home / 527,327.04-790,990.08-211,784

Finding the Fourth Proportional to 527,327.04, 790,990.08 and 211,784

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Solution

The fourth proportional to 527,327.04, 790,990.08 and 211,784 is: 317,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,327.04 : 790,990.08 = 211,784 : x
  2. Step 2: Convert to fraction form
    527,327.04/790,990.08 = 211,784/x
  3. Step 3: Cross multiply
    527,327.04x = 790,990.08 × 211,784
  4. Step 4: Simplify right side
    527,327.04x = 167,519,043,102.72
  5. Step 5: Solve for x
    x = 167,519,043,102.72/527,327.04
  6. Step 6: Final answer
    x = 317,675.81

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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.