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Finding the Fourth Proportional to 620,002.86, 855,502.02 and 365,319.42

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Solution

The fourth proportional to 620,002.86, 855,502.02 and 365,319.42 is: 504,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,002.86 : 855,502.02 = 365,319.42 : x
  2. Step 2: Convert to fraction form
    620,002.86/855,502.02 = 365,319.42/x
  3. Step 3: Cross multiply
    620,002.86x = 855,502.02 × 365,319.42
  4. Step 4: Simplify right side
    620,002.86x = 312,531,501,755.23
  5. Step 5: Solve for x
    x = 312,531,501,755.23/620,002.86
  6. Step 6: Final answer
    x = 504,080.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.