Home / 993,565.17-1,490,958.32-394,421.49

Finding the Fourth Proportional to 993,565.17, 1,490,958.32 and 394,421.49

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Solution

The fourth proportional to 993,565.17, 1,490,958.32 and 394,421.49 is: 591,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,565.17 : 1,490,958.32 = 394,421.49 : x
  2. Step 2: Convert to fraction form
    993,565.17/1,490,958.32 = 394,421.49/x
  3. Step 3: Cross multiply
    993,565.17x = 1,490,958.32 × 394,421.49
  4. Step 4: Simplify right side
    993,565.17x = 588,066,000,130.19
  5. Step 5: Solve for x
    x = 588,066,000,130.19/993,565.17
  6. Step 6: Final answer
    x = 591,874.61

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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.