Home / 889,431.91-1,334,397.29-357,326.61

Finding the Fourth Proportional to 889,431.91, 1,334,397.29 and 357,326.61

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Solution

The fourth proportional to 889,431.91, 1,334,397.29 and 357,326.61 is: 536,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,431.91 : 1,334,397.29 = 357,326.61 : x
  2. Step 2: Convert to fraction form
    889,431.91/1,334,397.29 = 357,326.61/x
  3. Step 3: Cross multiply
    889,431.91x = 1,334,397.29 × 357,326.61
  4. Step 4: Simplify right side
    889,431.91x = 476,815,660,028.89
  5. Step 5: Solve for x
    x = 476,815,660,028.89/889,431.91
  6. Step 6: Final answer
    x = 536,090.12

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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.