Home / 767,048.32-1,151,090.88-268,416.64

Finding the Fourth Proportional to 767,048.32, 1,151,090.88 and 268,416.64

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Solution

The fourth proportional to 767,048.32, 1,151,090.88 and 268,416.64 is: 402,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,048.32 : 1,151,090.88 = 268,416.64 : x
  2. Step 2: Convert to fraction form
    767,048.32/1,151,090.88 = 268,416.64/x
  3. Step 3: Cross multiply
    767,048.32x = 1,151,090.88 × 268,416.64
  4. Step 4: Simplify right side
    767,048.32x = 308,971,946,344.24
  5. Step 5: Solve for x
    x = 308,971,946,344.24/767,048.32
  6. Step 6: Final answer
    x = 402,806.37

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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.