Home / 719,325.36-1,078,986.22-675,479.66

Finding the Fourth Proportional to 719,325.36, 1,078,986.22 and 675,479.66

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Solution

The fourth proportional to 719,325.36, 1,078,986.22 and 675,479.66 is: 1,013,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,325.36 : 1,078,986.22 = 675,479.66 : x
  2. Step 2: Convert to fraction form
    719,325.36/1,078,986.22 = 675,479.66/x
  3. Step 3: Cross multiply
    719,325.36x = 1,078,986.22 × 675,479.66
  4. Step 4: Simplify right side
    719,325.36x = 728,833,237,946.66
  5. Step 5: Solve for x
    x = 728,833,237,946.66/719,325.36
  6. Step 6: Final answer
    x = 1,013,217.77

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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.