Home / 824,364.86-1,236,553.94-318,983.67

Finding the Fourth Proportional to 824,364.86, 1,236,553.94 and 318,983.67

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Solution

The fourth proportional to 824,364.86, 1,236,553.94 and 318,983.67 is: 478,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,364.86 : 1,236,553.94 = 318,983.67 : x
  2. Step 2: Convert to fraction form
    824,364.86/1,236,553.94 = 318,983.67/x
  3. Step 3: Cross multiply
    824,364.86x = 1,236,553.94 × 318,983.67
  4. Step 4: Simplify right side
    824,364.86x = 394,440,514,731.62
  5. Step 5: Solve for x
    x = 394,440,514,731.62/824,364.86
  6. Step 6: Final answer
    x = 478,478.08

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1.5x scale

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.