Home / 672,238.40-1,008,535.80-292,996.40

Finding the Fourth Proportional to 672,238.40, 1,008,535.80 and 292,996.40

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Solution

The fourth proportional to 672,238.40, 1,008,535.80 and 292,996.40 is: 439,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,238.40 : 1,008,535.80 = 292,996.40 : x
  2. Step 2: Convert to fraction form
    672,238.40/1,008,535.80 = 292,996.40/x
  3. Step 3: Cross multiply
    672,238.40x = 1,008,535.80 × 292,996.40
  4. Step 4: Simplify right side
    672,238.40x = 295,497,358,671.12
  5. Step 5: Solve for x
    x = 295,497,358,671.12/672,238.40
  6. Step 6: Final answer
    x = 439,572.27

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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.