Home / 711,070.86-1,066,108.32-261,733.44

Finding the Fourth Proportional to 711,070.86, 1,066,108.32 and 261,733.44

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Solution

The fourth proportional to 711,070.86, 1,066,108.32 and 261,733.44 is: 392,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,070.86 : 1,066,108.32 = 261,733.44 : x
  2. Step 2: Convert to fraction form
    711,070.86/1,066,108.32 = 261,733.44/x
  3. Step 3: Cross multiply
    711,070.86x = 1,066,108.32 × 261,733.44
  4. Step 4: Simplify right side
    711,070.86x = 279,036,198,006.22
  5. Step 5: Solve for x
    x = 279,036,198,006.22/711,070.86
  6. Step 6: Final answer
    x = 392,416.87

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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.