Home / 542,719.36-748,941.56-300,962.92

Finding the Fourth Proportional to 542,719.36, 748,941.56 and 300,962.92

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Solution

The fourth proportional to 542,719.36, 748,941.56 and 300,962.92 is: 415,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,719.36 : 748,941.56 = 300,962.92 : x
  2. Step 2: Convert to fraction form
    542,719.36/748,941.56 = 300,962.92/x
  3. Step 3: Cross multiply
    542,719.36x = 748,941.56 × 300,962.92
  4. Step 4: Simplify right side
    542,719.36x = 225,403,638,806.96
  5. Step 5: Solve for x
    x = 225,403,638,806.96/542,719.36
  6. Step 6: Final answer
    x = 415,322.64

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1.5x scale

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.