Home / 668,865.79-1,002,871.68-440,898.04

Finding the Fourth Proportional to 668,865.79, 1,002,871.68 and 440,898.04

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Solution

The fourth proportional to 668,865.79, 1,002,871.68 and 440,898.04 is: 661,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,865.79 : 1,002,871.68 = 440,898.04 : x
  2. Step 2: Convert to fraction form
    668,865.79/1,002,871.68 = 440,898.04/x
  3. Step 3: Cross multiply
    668,865.79x = 1,002,871.68 × 440,898.04
  4. Step 4: Simplify right side
    668,865.79x = 442,164,158,083.51
  5. Step 5: Solve for x
    x = 442,164,158,083.51/668,865.79
  6. Step 6: Final answer
    x = 661,065.59

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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.