Home / 804,346.03-1,109,727.46-455,438.84

Finding the Fourth Proportional to 804,346.03, 1,109,727.46 and 455,438.84

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Solution

The fourth proportional to 804,346.03, 1,109,727.46 and 455,438.84 is: 628,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,346.03 : 1,109,727.46 = 455,438.84 : x
  2. Step 2: Convert to fraction form
    804,346.03/1,109,727.46 = 455,438.84/x
  3. Step 3: Cross multiply
    804,346.03x = 1,109,727.46 × 455,438.84
  4. Step 4: Simplify right side
    804,346.03x = 505,412,984,821.35
  5. Step 5: Solve for x
    x = 505,412,984,821.35/804,346.03
  6. Step 6: Final answer
    x = 628,352.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.