Home / 891,761.34-1,337,643.06-379,293.78

Finding the Fourth Proportional to 891,761.34, 1,337,643.06 and 379,293.78

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Solution

The fourth proportional to 891,761.34, 1,337,643.06 and 379,293.78 is: 568,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,761.34 : 1,337,643.06 = 379,293.78 : x
  2. Step 2: Convert to fraction form
    891,761.34/1,337,643.06 = 379,293.78/x
  3. Step 3: Cross multiply
    891,761.34x = 1,337,643.06 × 379,293.78
  4. Step 4: Simplify right side
    891,761.34x = 507,359,692,518.17
  5. Step 5: Solve for x
    x = 507,359,692,518.17/891,761.34
  6. Step 6: Final answer
    x = 568,941.12

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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.