Home / 772,127.06-1,157,795.70-322,725.30

Finding the Fourth Proportional to 772,127.06, 1,157,795.70 and 322,725.30

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Solution

The fourth proportional to 772,127.06, 1,157,795.70 and 322,725.30 is: 483,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,127.06 : 1,157,795.70 = 322,725.30 : x
  2. Step 2: Convert to fraction form
    772,127.06/1,157,795.70 = 322,725.30/x
  3. Step 3: Cross multiply
    772,127.06x = 1,157,795.70 × 322,725.30
  4. Step 4: Simplify right side
    772,127.06x = 373,649,964,621.21
  5. Step 5: Solve for x
    x = 373,649,964,621.21/772,127.06
  6. Step 6: Final answer
    x = 483,922.90

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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.