Home / 672,403.10-1,008,604.65-245,938.10

Finding the Fourth Proportional to 672,403.10, 1,008,604.65 and 245,938.10

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Solution

The fourth proportional to 672,403.10, 1,008,604.65 and 245,938.10 is: 368,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,403.10 : 1,008,604.65 = 245,938.10 : x
  2. Step 2: Convert to fraction form
    672,403.10/1,008,604.65 = 245,938.10/x
  3. Step 3: Cross multiply
    672,403.10x = 1,008,604.65 × 245,938.10
  4. Step 4: Simplify right side
    672,403.10x = 248,054,311,272.17
  5. Step 5: Solve for x
    x = 248,054,311,272.17/672,403.10
  6. Step 6: Final answer
    x = 368,907.15

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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.