Home / 688,958.25-1,033,298.54-432,676.35

Finding the Fourth Proportional to 688,958.25, 1,033,298.54 and 432,676.35

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Solution

The fourth proportional to 688,958.25, 1,033,298.54 and 432,676.35 is: 648,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,958.25 : 1,033,298.54 = 432,676.35 : x
  2. Step 2: Convert to fraction form
    688,958.25/1,033,298.54 = 432,676.35/x
  3. Step 3: Cross multiply
    688,958.25x = 1,033,298.54 × 432,676.35
  4. Step 4: Simplify right side
    688,958.25x = 447,083,838,584.15
  5. Step 5: Solve for x
    x = 447,083,838,584.15/688,958.25
  6. Step 6: Final answer
    x = 648,927.33

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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.