Home / 672,405.10-1,008,607.65-245,940.10

Finding the Fourth Proportional to 672,405.10, 1,008,607.65 and 245,940.10

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Solution

The fourth proportional to 672,405.10, 1,008,607.65 and 245,940.10 is: 368,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,405.10 : 1,008,607.65 = 245,940.10 : x
  2. Step 2: Convert to fraction form
    672,405.10/1,008,607.65 = 245,940.10/x
  3. Step 3: Cross multiply
    672,405.10x = 1,008,607.65 × 245,940.10
  4. Step 4: Simplify right side
    672,405.10x = 248,057,066,301.77
  5. Step 5: Solve for x
    x = 248,057,066,301.77/672,405.10
  6. Step 6: Final answer
    x = 368,910.15

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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.