Home / 554,982.90-765,878.34-300,334.02

Finding the Fourth Proportional to 554,982.90, 765,878.34 and 300,334.02

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Solution

The fourth proportional to 554,982.90, 765,878.34 and 300,334.02 is: 414,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,982.90 : 765,878.34 = 300,334.02 : x
  2. Step 2: Convert to fraction form
    554,982.90/765,878.34 = 300,334.02/x
  3. Step 3: Cross multiply
    554,982.90x = 765,878.34 × 300,334.02
  4. Step 4: Simplify right side
    554,982.90x = 230,019,320,683.13
  5. Step 5: Solve for x
    x = 230,019,320,683.13/554,982.90
  6. Step 6: Final answer
    x = 414,462.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.