Home / 718,739.06-1,077,043.46-291,755.30

Finding the Fourth Proportional to 718,739.06, 1,077,043.46 and 291,755.30

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Solution

The fourth proportional to 718,739.06, 1,077,043.46 and 291,755.30 is: 437,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,739.06 : 1,077,043.46 = 291,755.30 : x
  2. Step 2: Convert to fraction form
    718,739.06/1,077,043.46 = 291,755.30/x
  3. Step 3: Cross multiply
    718,739.06x = 1,077,043.46 × 291,755.30
  4. Step 4: Simplify right side
    718,739.06x = 314,233,130,941.34
  5. Step 5: Solve for x
    x = 314,233,130,941.34/718,739.06
  6. Step 6: Final answer
    x = 437,200.58

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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.