Home / 698,564.44-1,047,100.65-398,398.69

Finding the Fourth Proportional to 698,564.44, 1,047,100.65 and 398,398.69

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Solution

The fourth proportional to 698,564.44, 1,047,100.65 and 398,398.69 is: 597,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,564.44 : 1,047,100.65 = 398,398.69 : x
  2. Step 2: Convert to fraction form
    698,564.44/1,047,100.65 = 398,398.69/x
  3. Step 3: Cross multiply
    698,564.44x = 1,047,100.65 × 398,398.69
  4. Step 4: Simplify right side
    698,564.44x = 417,163,527,258.15
  5. Step 5: Solve for x
    x = 417,163,527,258.15/698,564.44
  6. Step 6: Final answer
    x = 597,172.58

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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.