Home / 767,714.76-1,151,707.65-262,157.28

Finding the Fourth Proportional to 767,714.76, 1,151,707.65 and 262,157.28

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Solution

The fourth proportional to 767,714.76, 1,151,707.65 and 262,157.28 is: 393,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,714.76 : 1,151,707.65 = 262,157.28 : x
  2. Step 2: Convert to fraction form
    767,714.76/1,151,707.65 = 262,157.28/x
  3. Step 3: Cross multiply
    767,714.76x = 1,151,707.65 × 262,157.28
  4. Step 4: Simplify right side
    767,714.76x = 301,928,539,577.20
  5. Step 5: Solve for x
    x = 301,928,539,577.20/767,714.76
  6. Step 6: Final answer
    x = 393,282.19

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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.