Home / 804,105.44-1,205,973.90-479,985.02

Finding the Fourth Proportional to 804,105.44, 1,205,973.90 and 479,985.02

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Solution

The fourth proportional to 804,105.44, 1,205,973.90 and 479,985.02 is: 719,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,105.44 : 1,205,973.90 = 479,985.02 : x
  2. Step 2: Convert to fraction form
    804,105.44/1,205,973.90 = 479,985.02/x
  3. Step 3: Cross multiply
    804,105.44x = 1,205,973.90 × 479,985.02
  4. Step 4: Simplify right side
    804,105.44x = 578,849,406,510.98
  5. Step 5: Solve for x
    x = 578,849,406,510.98/804,105.44
  6. Step 6: Final answer
    x = 719,867.54

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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.