Home / 804,912.20-1,205,985.90-383,280.20

Finding the Fourth Proportional to 804,912.20, 1,205,985.90 and 383,280.20

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Solution

The fourth proportional to 804,912.20, 1,205,985.90 and 383,280.20 is: 574,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,912.20 : 1,205,985.90 = 383,280.20 : x
  2. Step 2: Convert to fraction form
    804,912.20/1,205,985.90 = 383,280.20/x
  3. Step 3: Cross multiply
    804,912.20x = 1,205,985.90 × 383,280.20
  4. Step 4: Simplify right side
    804,912.20x = 462,230,516,949.18
  5. Step 5: Solve for x
    x = 462,230,516,949.18/804,912.20
  6. Step 6: Final answer
    x = 574,262.03

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1.5x scale

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.