Home / 668,558.76-1,001,895.30-369,174.12

Finding the Fourth Proportional to 668,558.76, 1,001,895.30 and 369,174.12

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Solution

The fourth proportional to 668,558.76, 1,001,895.30 and 369,174.12 is: 553,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,558.76 : 1,001,895.30 = 369,174.12 : x
  2. Step 2: Convert to fraction form
    668,558.76/1,001,895.30 = 369,174.12/x
  3. Step 3: Cross multiply
    668,558.76x = 1,001,895.30 × 369,174.12
  4. Step 4: Simplify right side
    668,558.76x = 369,873,815,709.64
  5. Step 5: Solve for x
    x = 369,873,815,709.64/668,558.76
  6. Step 6: Final answer
    x = 553,240.55

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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.