Home / 889,541.22-1,334,393.88-290,505.51

Finding the Fourth Proportional to 889,541.22, 1,334,393.88 and 290,505.51

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Solution

The fourth proportional to 889,541.22, 1,334,393.88 and 290,505.51 is: 435,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,541.22 : 1,334,393.88 = 290,505.51 : x
  2. Step 2: Convert to fraction form
    889,541.22/1,334,393.88 = 290,505.51/x
  3. Step 3: Cross multiply
    889,541.22x = 1,334,393.88 × 290,505.51
  4. Step 4: Simplify right side
    889,541.22x = 387,648,774,650.28
  5. Step 5: Solve for x
    x = 387,648,774,650.28/889,541.22
  6. Step 6: Final answer
    x = 435,785.06

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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.