Home / 854,435.19-1,280,898.53-322,329.90

Finding the Fourth Proportional to 854,435.19, 1,280,898.53 and 322,329.90

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Solution

The fourth proportional to 854,435.19, 1,280,898.53 and 322,329.90 is: 483,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,435.19 : 1,280,898.53 = 322,329.90 : x
  2. Step 2: Convert to fraction form
    854,435.19/1,280,898.53 = 322,329.90/x
  3. Step 3: Cross multiply
    854,435.19x = 1,280,898.53 × 322,329.90
  4. Step 4: Simplify right side
    854,435.19x = 412,871,895,085.05
  5. Step 5: Solve for x
    x = 412,871,895,085.05/854,435.19
  6. Step 6: Final answer
    x = 483,210.31

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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.