Home / 861,004.01-1,291,518.44-300,038.51

Finding the Fourth Proportional to 861,004.01, 1,291,518.44 and 300,038.51

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Solution

The fourth proportional to 861,004.01, 1,291,518.44 and 300,038.51 is: 450,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,004.01 : 1,291,518.44 = 300,038.51 : x
  2. Step 2: Convert to fraction form
    861,004.01/1,291,518.44 = 300,038.51/x
  3. Step 3: Cross multiply
    861,004.01x = 1,291,518.44 × 300,038.51
  4. Step 4: Simplify right side
    861,004.01x = 387,505,260,417.34
  5. Step 5: Solve for x
    x = 387,505,260,417.34/861,004.01
  6. Step 6: Final answer
    x = 450,062.09

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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.