Home / 891,459.32-1,337,385.84-330,493.82

Finding the Fourth Proportional to 891,459.32, 1,337,385.84 and 330,493.82

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Solution

The fourth proportional to 891,459.32, 1,337,385.84 and 330,493.82 is: 495,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,459.32 : 1,337,385.84 = 330,493.82 : x
  2. Step 2: Convert to fraction form
    891,459.32/1,337,385.84 = 330,493.82/x
  3. Step 3: Cross multiply
    891,459.32x = 1,337,385.84 × 330,493.82
  4. Step 4: Simplify right side
    891,459.32x = 441,997,755,075.51
  5. Step 5: Solve for x
    x = 441,997,755,075.51/891,459.32
  6. Step 6: Final answer
    x = 495,813.71

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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.