Home / 876,126.48-1,314,742.56-343,633.32

Finding the Fourth Proportional to 876,126.48, 1,314,742.56 and 343,633.32

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Solution

The fourth proportional to 876,126.48, 1,314,742.56 and 343,633.32 is: 515,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,126.48 : 1,314,742.56 = 343,633.32 : x
  2. Step 2: Convert to fraction form
    876,126.48/1,314,742.56 = 343,633.32/x
  3. Step 3: Cross multiply
    876,126.48x = 1,314,742.56 × 343,633.32
  4. Step 4: Simplify right side
    876,126.48x = 451,789,350,838.10
  5. Step 5: Solve for x
    x = 451,789,350,838.10/876,126.48
  6. Step 6: Final answer
    x = 515,666.81

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1.5x scale

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.