Home / 705,090.80-1,057,636.20-598,802.60

Finding the Fourth Proportional to 705,090.80, 1,057,636.20 and 598,802.60

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Solution

The fourth proportional to 705,090.80, 1,057,636.20 and 598,802.60 is: 898,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,090.80 : 1,057,636.20 = 598,802.60 : x
  2. Step 2: Convert to fraction form
    705,090.80/1,057,636.20 = 598,802.60/x
  3. Step 3: Cross multiply
    705,090.80x = 1,057,636.20 × 598,802.60
  4. Step 4: Simplify right side
    705,090.80x = 633,315,306,414.12
  5. Step 5: Solve for x
    x = 633,315,306,414.12/705,090.80
  6. Step 6: Final answer
    x = 898,203.90

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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.