Home / 677,454.30-1,016,575.10-303,477.30

Finding the Fourth Proportional to 677,454.30, 1,016,575.10 and 303,477.30

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Solution

The fourth proportional to 677,454.30, 1,016,575.10 and 303,477.30 is: 455,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,454.30 : 1,016,575.10 = 303,477.30 : x
  2. Step 2: Convert to fraction form
    677,454.30/1,016,575.10 = 303,477.30/x
  3. Step 3: Cross multiply
    677,454.30x = 1,016,575.10 × 303,477.30
  4. Step 4: Simplify right side
    677,454.30x = 308,507,465,077.84
  5. Step 5: Solve for x
    x = 308,507,465,077.84/677,454.30
  6. Step 6: Final answer
    x = 455,392.29

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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.