Home / 657,520.20-985,502.70-341,814.60

Finding the Fourth Proportional to 657,520.20, 985,502.70 and 341,814.60

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Solution

The fourth proportional to 657,520.20, 985,502.70 and 341,814.60 is: 512,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,520.20 : 985,502.70 = 341,814.60 : x
  2. Step 2: Convert to fraction form
    657,520.20/985,502.70 = 341,814.60/x
  3. Step 3: Cross multiply
    657,520.20x = 985,502.70 × 341,814.60
  4. Step 4: Simplify right side
    657,520.20x = 336,859,211,199.42
  5. Step 5: Solve for x
    x = 336,859,211,199.42/657,520.20
  6. Step 6: Final answer
    x = 512,317.66

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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.