Home / 891,457.32-1,337,382.84-330,491.82

Finding the Fourth Proportional to 891,457.32, 1,337,382.84 and 330,491.82

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Solution

The fourth proportional to 891,457.32, 1,337,382.84 and 330,491.82 is: 495,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,457.32 : 1,337,382.84 = 330,491.82 : x
  2. Step 2: Convert to fraction form
    891,457.32/1,337,382.84 = 330,491.82/x
  3. Step 3: Cross multiply
    891,457.32x = 1,337,382.84 × 330,491.82
  4. Step 4: Simplify right side
    891,457.32x = 441,994,088,828.37
  5. Step 5: Solve for x
    x = 441,994,088,828.37/891,457.32
  6. Step 6: Final answer
    x = 495,810.71

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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.