Home / 665,357.78-1,002,525.74-549,620.66

Finding the Fourth Proportional to 665,357.78, 1,002,525.74 and 549,620.66

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Solution

The fourth proportional to 665,357.78, 1,002,525.74 and 549,620.66 is: 828,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,357.78 : 1,002,525.74 = 549,620.66 : x
  2. Step 2: Convert to fraction form
    665,357.78/1,002,525.74 = 549,620.66/x
  3. Step 3: Cross multiply
    665,357.78x = 1,002,525.74 × 549,620.66
  4. Step 4: Simplify right side
    665,357.78x = 551,008,858,885.79
  5. Step 5: Solve for x
    x = 551,008,858,885.79/665,357.78
  6. Step 6: Final answer
    x = 828,139.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.