Home / 719,879.04-1,079,949.78-360,237.96

Finding the Fourth Proportional to 719,879.04, 1,079,949.78 and 360,237.96

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Solution

The fourth proportional to 719,879.04, 1,079,949.78 and 360,237.96 is: 540,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,879.04 : 1,079,949.78 = 360,237.96 : x
  2. Step 2: Convert to fraction form
    719,879.04/1,079,949.78 = 360,237.96/x
  3. Step 3: Cross multiply
    719,879.04x = 1,079,949.78 × 360,237.96
  4. Step 4: Simplify right side
    719,879.04x = 389,038,905,649.65
  5. Step 5: Solve for x
    x = 389,038,905,649.65/719,879.04
  6. Step 6: Final answer
    x = 540,422.60

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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.