Home / 804,870.20-1,205,922.90-383,238.20

Finding the Fourth Proportional to 804,870.20, 1,205,922.90 and 383,238.20

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Solution

The fourth proportional to 804,870.20, 1,205,922.90 and 383,238.20 is: 574,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,870.20 : 1,205,922.90 = 383,238.20 : x
  2. Step 2: Convert to fraction form
    804,870.20/1,205,922.90 = 383,238.20/x
  3. Step 3: Cross multiply
    804,870.20x = 1,205,922.90 × 383,238.20
  4. Step 4: Simplify right side
    804,870.20x = 462,155,721,534.78
  5. Step 5: Solve for x
    x = 462,155,721,534.78/804,870.20
  6. Step 6: Final answer
    x = 574,199.07

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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.