Home / 685,566.86-1,027,011.09-472,297.10

Finding the Fourth Proportional to 685,566.86, 1,027,011.09 and 472,297.10

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Solution

The fourth proportional to 685,566.86, 1,027,011.09 and 472,297.10 is: 707,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,566.86 : 1,027,011.09 = 472,297.10 : x
  2. Step 2: Convert to fraction form
    685,566.86/1,027,011.09 = 472,297.10/x
  3. Step 3: Cross multiply
    685,566.86x = 1,027,011.09 × 472,297.10
  4. Step 4: Simplify right side
    685,566.86x = 485,054,359,474.84
  5. Step 5: Solve for x
    x = 485,054,359,474.84/685,566.86
  6. Step 6: Final answer
    x = 707,523.06

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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.