Home / 703,140.90-1,054,543.86-303,563.04

Finding the Fourth Proportional to 703,140.90, 1,054,543.86 and 303,563.04

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Solution

The fourth proportional to 703,140.90, 1,054,543.86 and 303,563.04 is: 455,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,140.90 : 1,054,543.86 = 303,563.04 : x
  2. Step 2: Convert to fraction form
    703,140.90/1,054,543.86 = 303,563.04/x
  3. Step 3: Cross multiply
    703,140.90x = 1,054,543.86 × 303,563.04
  4. Step 4: Simplify right side
    703,140.90x = 320,120,539,954.93
  5. Step 5: Solve for x
    x = 320,120,539,954.93/703,140.90
  6. Step 6: Final answer
    x = 455,272.25

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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.