Home / 749,971.80-1,125,074.34-251,219.16

Finding the Fourth Proportional to 749,971.80, 1,125,074.34 and 251,219.16

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Solution

The fourth proportional to 749,971.80, 1,125,074.34 and 251,219.16 is: 376,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,971.80 : 1,125,074.34 = 251,219.16 : x
  2. Step 2: Convert to fraction form
    749,971.80/1,125,074.34 = 251,219.16/x
  3. Step 3: Cross multiply
    749,971.80x = 1,125,074.34 × 251,219.16
  4. Step 4: Simplify right side
    749,971.80x = 282,640,230,632.35
  5. Step 5: Solve for x
    x = 282,640,230,632.35/749,971.80
  6. Step 6: Final answer
    x = 376,867.81

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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.