Home / 668,864.79-1,002,870.18-440,897.04

Finding the Fourth Proportional to 668,864.79, 1,002,870.18 and 440,897.04

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Solution

The fourth proportional to 668,864.79, 1,002,870.18 and 440,897.04 is: 661,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,864.79 : 1,002,870.18 = 440,897.04 : x
  2. Step 2: Convert to fraction form
    668,864.79/1,002,870.18 = 440,897.04/x
  3. Step 3: Cross multiply
    668,864.79x = 1,002,870.18 × 440,897.04
  4. Step 4: Simplify right side
    668,864.79x = 442,162,493,866.27
  5. Step 5: Solve for x
    x = 442,162,493,866.27/668,864.79
  6. Step 6: Final answer
    x = 661,064.09

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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.