Home / 673,718.58-1,010,520.93-218,300.17

Finding the Fourth Proportional to 673,718.58, 1,010,520.93 and 218,300.17

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Solution

The fourth proportional to 673,718.58, 1,010,520.93 and 218,300.17 is: 327,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,718.58 : 1,010,520.93 = 218,300.17 : x
  2. Step 2: Convert to fraction form
    673,718.58/1,010,520.93 = 218,300.17/x
  3. Step 3: Cross multiply
    673,718.58x = 1,010,520.93 × 218,300.17
  4. Step 4: Simplify right side
    673,718.58x = 220,596,890,807.56
  5. Step 5: Solve for x
    x = 220,596,890,807.56/673,718.58
  6. Step 6: Final answer
    x = 327,431.81

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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.