Home / 684,367.05-1,026,470.66-211,011.69

Finding the Fourth Proportional to 684,367.05, 1,026,470.66 and 211,011.69

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Solution

The fourth proportional to 684,367.05, 1,026,470.66 and 211,011.69 is: 316,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,367.05 : 1,026,470.66 = 211,011.69 : x
  2. Step 2: Convert to fraction form
    684,367.05/1,026,470.66 = 211,011.69/x
  3. Step 3: Cross multiply
    684,367.05x = 1,026,470.66 × 211,011.69
  4. Step 4: Simplify right side
    684,367.05x = 216,597,307,646.96
  5. Step 5: Solve for x
    x = 216,597,307,646.96/684,367.05
  6. Step 6: Final answer
    x = 316,492.89

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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.