Home / 891,813.58-1,337,859.48-292,638.34

Finding the Fourth Proportional to 891,813.58, 1,337,859.48 and 292,638.34

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Solution

The fourth proportional to 891,813.58, 1,337,859.48 and 292,638.34 is: 439,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,813.58 : 1,337,859.48 = 292,638.34 : x
  2. Step 2: Convert to fraction form
    891,813.58/1,337,859.48 = 292,638.34/x
  3. Step 3: Cross multiply
    891,813.58x = 1,337,859.48 × 292,638.34
  4. Step 4: Simplify right side
    891,813.58x = 391,508,977,380.46
  5. Step 5: Solve for x
    x = 391,508,977,380.46/891,813.58
  6. Step 6: Final answer
    x = 439,003.16

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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.