Home / 668,486.40-1,003,074.24-444,002.16

Finding the Fourth Proportional to 668,486.40, 1,003,074.24 and 444,002.16

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Solution

The fourth proportional to 668,486.40, 1,003,074.24 and 444,002.16 is: 666,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,486.40 : 1,003,074.24 = 444,002.16 : x
  2. Step 2: Convert to fraction form
    668,486.40/1,003,074.24 = 444,002.16/x
  3. Step 3: Cross multiply
    668,486.40x = 1,003,074.24 × 444,002.16
  4. Step 4: Simplify right side
    668,486.40x = 445,367,129,200.36
  5. Step 5: Solve for x
    x = 445,367,129,200.36/668,486.40
  6. Step 6: Final answer
    x = 666,232.15

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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.