Home / 999,832.37-1,499,973.65-316,760.42

Finding the Fourth Proportional to 999,832.37, 1,499,973.65 and 316,760.42

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Solution

The fourth proportional to 999,832.37, 1,499,973.65 and 316,760.42 is: 475,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,832.37 : 1,499,973.65 = 316,760.42 : x
  2. Step 2: Convert to fraction form
    999,832.37/1,499,973.65 = 316,760.42/x
  3. Step 3: Cross multiply
    999,832.37x = 1,499,973.65 × 316,760.42
  4. Step 4: Simplify right side
    999,832.37x = 475,132,274,279.26
  5. Step 5: Solve for x
    x = 475,132,274,279.26/999,832.37
  6. Step 6: Final answer
    x = 475,211.94

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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.