Home / 891,458.32-1,337,384.34-330,492.82

Finding the Fourth Proportional to 891,458.32, 1,337,384.34 and 330,492.82

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Solution

The fourth proportional to 891,458.32, 1,337,384.34 and 330,492.82 is: 495,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,458.32 : 1,337,384.34 = 330,492.82 : x
  2. Step 2: Convert to fraction form
    891,458.32/1,337,384.34 = 330,492.82/x
  3. Step 3: Cross multiply
    891,458.32x = 1,337,384.34 × 330,492.82
  4. Step 4: Simplify right side
    891,458.32x = 441,995,921,950.44
  5. Step 5: Solve for x
    x = 441,995,921,950.44/891,458.32
  6. Step 6: Final answer
    x = 495,812.21

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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.