Home / 889,790.30-1,334,747.70-357,311.32

Finding the Fourth Proportional to 889,790.30, 1,334,747.70 and 357,311.32

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Solution

The fourth proportional to 889,790.30, 1,334,747.70 and 357,311.32 is: 535,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,790.30 : 1,334,747.70 = 357,311.32 : x
  2. Step 2: Convert to fraction form
    889,790.30/1,334,747.70 = 357,311.32/x
  3. Step 3: Cross multiply
    889,790.30x = 1,334,747.70 × 357,311.32
  4. Step 4: Simplify right side
    889,790.30x = 476,920,454,093.67
  5. Step 5: Solve for x
    x = 476,920,454,093.67/889,790.30
  6. Step 6: Final answer
    x = 535,991.97

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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.