Home / 689,041.08-950,662.98-402,354.36

Finding the Fourth Proportional to 689,041.08, 950,662.98 and 402,354.36

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Solution

The fourth proportional to 689,041.08, 950,662.98 and 402,354.36 is: 555,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,041.08 : 950,662.98 = 402,354.36 : x
  2. Step 2: Convert to fraction form
    689,041.08/950,662.98 = 402,354.36/x
  3. Step 3: Cross multiply
    689,041.08x = 950,662.98 × 402,354.36
  4. Step 4: Simplify right side
    689,041.08x = 382,503,394,893.59
  5. Step 5: Solve for x
    x = 382,503,394,893.59/689,041.08
  6. Step 6: Final answer
    x = 555,124.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.