Home / 668,205.54-1,002,531.12-444,448.10

Finding the Fourth Proportional to 668,205.54, 1,002,531.12 and 444,448.10

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Solution

The fourth proportional to 668,205.54, 1,002,531.12 and 444,448.10 is: 666,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,205.54 : 1,002,531.12 = 444,448.10 : x
  2. Step 2: Convert to fraction form
    668,205.54/1,002,531.12 = 444,448.10/x
  3. Step 3: Cross multiply
    668,205.54x = 1,002,531.12 × 444,448.10
  4. Step 4: Simplify right side
    668,205.54x = 445,573,051,474.87
  5. Step 5: Solve for x
    x = 445,573,051,474.87/668,205.54
  6. Step 6: Final answer
    x = 666,820.35

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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.