Home / 751,855.04-1,127,990.82-347,170.94

Finding the Fourth Proportional to 751,855.04, 1,127,990.82 and 347,170.94

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Solution

The fourth proportional to 751,855.04, 1,127,990.82 and 347,170.94 is: 520,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,855.04 : 1,127,990.82 = 347,170.94 : x
  2. Step 2: Convert to fraction form
    751,855.04/1,127,990.82 = 347,170.94/x
  3. Step 3: Cross multiply
    751,855.04x = 1,127,990.82 × 347,170.94
  4. Step 4: Simplify right side
    751,855.04x = 391,605,633,290.77
  5. Step 5: Solve for x
    x = 391,605,633,290.77/751,855.04
  6. Step 6: Final answer
    x = 520,852.57

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1.5x scale

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.