Home / 854,434.19-1,280,897.03-322,328.90

Finding the Fourth Proportional to 854,434.19, 1,280,897.03 and 322,328.90

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Solution

The fourth proportional to 854,434.19, 1,280,897.03 and 322,328.90 is: 483,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,434.19 : 1,280,897.03 = 322,328.90 : x
  2. Step 2: Convert to fraction form
    854,434.19/1,280,897.03 = 322,328.90/x
  3. Step 3: Cross multiply
    854,434.19x = 1,280,897.03 × 322,328.90
  4. Step 4: Simplify right side
    854,434.19x = 412,870,134,701.23
  5. Step 5: Solve for x
    x = 412,870,134,701.23/854,434.19
  6. Step 6: Final answer
    x = 483,208.82

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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.