Home / 719,327.61-1,078,989.59-675,481.91

Finding the Fourth Proportional to 719,327.61, 1,078,989.59 and 675,481.91

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Solution

The fourth proportional to 719,327.61, 1,078,989.59 and 675,481.91 is: 1,013,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,327.61 : 1,078,989.59 = 675,481.91 : x
  2. Step 2: Convert to fraction form
    719,327.61/1,078,989.59 = 675,481.91/x
  3. Step 3: Cross multiply
    719,327.61x = 1,078,989.59 × 675,481.91
  4. Step 4: Simplify right side
    719,327.61x = 728,837,945,417.07
  5. Step 5: Solve for x
    x = 728,837,945,417.07/719,327.61
  6. Step 6: Final answer
    x = 1,013,221.15

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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.