Home / 711,558.90-1,067,688.90-332,505.72

Finding the Fourth Proportional to 711,558.90, 1,067,688.90 and 332,505.72

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Solution

The fourth proportional to 711,558.90, 1,067,688.90 and 332,505.72 is: 498,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,558.90 : 1,067,688.90 = 332,505.72 : x
  2. Step 2: Convert to fraction form
    711,558.90/1,067,688.90 = 332,505.72/x
  3. Step 3: Cross multiply
    711,558.90x = 1,067,688.90 × 332,505.72
  4. Step 4: Simplify right side
    711,558.90x = 355,012,666,430.51
  5. Step 5: Solve for x
    x = 355,012,666,430.51/711,558.90
  6. Step 6: Final answer
    x = 498,922.39

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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.