Home / 672,512.36-1,009,009.44-288,099.96

Finding the Fourth Proportional to 672,512.36, 1,009,009.44 and 288,099.96

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Solution

The fourth proportional to 672,512.36, 1,009,009.44 and 288,099.96 is: 432,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,512.36 : 1,009,009.44 = 288,099.96 : x
  2. Step 2: Convert to fraction form
    672,512.36/1,009,009.44 = 288,099.96/x
  3. Step 3: Cross multiply
    672,512.36x = 1,009,009.44 × 288,099.96
  4. Step 4: Simplify right side
    672,512.36x = 290,695,579,303.62
  5. Step 5: Solve for x
    x = 290,695,579,303.62/672,512.36
  6. Step 6: Final answer
    x = 432,253.14

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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.