Home / 859,603.20-1,289,404.80-662,995.20

Finding the Fourth Proportional to 859,603.20, 1,289,404.80 and 662,995.20

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Solution

The fourth proportional to 859,603.20, 1,289,404.80 and 662,995.20 is: 994,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,603.20 : 1,289,404.80 = 662,995.20 : x
  2. Step 2: Convert to fraction form
    859,603.20/1,289,404.80 = 662,995.20/x
  3. Step 3: Cross multiply
    859,603.20x = 1,289,404.80 × 662,995.20
  4. Step 4: Simplify right side
    859,603.20x = 854,869,193,256.96
  5. Step 5: Solve for x
    x = 854,869,193,256.96/859,603.20
  6. Step 6: Final answer
    x = 994,492.80

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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.