Home / 719,162.82-1,079,406.81-364,428.18

Finding the Fourth Proportional to 719,162.82, 1,079,406.81 and 364,428.18

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Solution

The fourth proportional to 719,162.82, 1,079,406.81 and 364,428.18 is: 546,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,162.82 : 1,079,406.81 = 364,428.18 : x
  2. Step 2: Convert to fraction form
    719,162.82/1,079,406.81 = 364,428.18/x
  3. Step 3: Cross multiply
    719,162.82x = 1,079,406.81 × 364,428.18
  4. Step 4: Simplify right side
    719,162.82x = 393,366,259,247.91
  5. Step 5: Solve for x
    x = 393,366,259,247.91/719,162.82
  6. Step 6: Final answer
    x = 546,978.03

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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.