Home / 711,434.96-1,067,520.48-312,356

Finding the Fourth Proportional to 711,434.96, 1,067,520.48 and 312,356

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Solution

The fourth proportional to 711,434.96, 1,067,520.48 and 312,356 is: 468,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,434.96 : 1,067,520.48 = 312,356 : x
  2. Step 2: Convert to fraction form
    711,434.96/1,067,520.48 = 312,356/x
  3. Step 3: Cross multiply
    711,434.96x = 1,067,520.48 × 312,356
  4. Step 4: Simplify right side
    711,434.96x = 333,446,427,050.88
  5. Step 5: Solve for x
    x = 333,446,427,050.88/711,434.96
  6. Step 6: Final answer
    x = 468,695.59

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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.