Home / 719,779.07-1,079,557.89-240,015.22

Finding the Fourth Proportional to 719,779.07, 1,079,557.89 and 240,015.22

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Solution

The fourth proportional to 719,779.07, 1,079,557.89 and 240,015.22 is: 359,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,779.07 : 1,079,557.89 = 240,015.22 : x
  2. Step 2: Convert to fraction form
    719,779.07/1,079,557.89 = 240,015.22/x
  3. Step 3: Cross multiply
    719,779.07x = 1,079,557.89 × 240,015.22
  4. Step 4: Simplify right side
    719,779.07x = 259,110,324,471.09
  5. Step 5: Solve for x
    x = 259,110,324,471.09/719,779.07
  6. Step 6: Final answer
    x = 359,985.91

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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.