Home / 891,758.84-1,337,639.31-379,291.28

Finding the Fourth Proportional to 891,758.84, 1,337,639.31 and 379,291.28

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Solution

The fourth proportional to 891,758.84, 1,337,639.31 and 379,291.28 is: 568,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,758.84 : 1,337,639.31 = 379,291.28 : x
  2. Step 2: Convert to fraction form
    891,758.84/1,337,639.31 = 379,291.28/x
  3. Step 3: Cross multiply
    891,758.84x = 1,337,639.31 × 379,291.28
  4. Step 4: Simplify right side
    891,758.84x = 507,354,919,380.02
  5. Step 5: Solve for x
    x = 507,354,919,380.02/891,758.84
  6. Step 6: Final answer
    x = 568,937.36

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1.5x scale

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.