Home / 665,225.40-1,002,330.21-549,489.72

Finding the Fourth Proportional to 665,225.40, 1,002,330.21 and 549,489.72

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Solution

The fourth proportional to 665,225.40, 1,002,330.21 and 549,489.72 is: 827,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,225.40 : 1,002,330.21 = 549,489.72 : x
  2. Step 2: Convert to fraction form
    665,225.40/1,002,330.21 = 549,489.72/x
  3. Step 3: Cross multiply
    665,225.40x = 1,002,330.21 × 549,489.72
  4. Step 4: Simplify right side
    665,225.40x = 550,770,146,440.44
  5. Step 5: Solve for x
    x = 550,770,146,440.44/665,225.40
  6. Step 6: Final answer
    x = 827,945.15

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1.5x scale

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.