Home / 898,300.40-1,346,735.16-518,789.36

Finding the Fourth Proportional to 898,300.40, 1,346,735.16 and 518,789.36

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Solution

The fourth proportional to 898,300.40, 1,346,735.16 and 518,789.36 is: 777,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,300.40 : 1,346,735.16 = 518,789.36 : x
  2. Step 2: Convert to fraction form
    898,300.40/1,346,735.16 = 518,789.36/x
  3. Step 3: Cross multiply
    898,300.40x = 1,346,735.16 × 518,789.36
  4. Step 4: Simplify right side
    898,300.40x = 698,671,871,745.90
  5. Step 5: Solve for x
    x = 698,671,871,745.90/898,300.40
  6. Step 6: Final answer
    x = 777,770.86

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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.