Home / 753,621.36-1,130,341.72-248,056.64

Finding the Fourth Proportional to 753,621.36, 1,130,341.72 and 248,056.64

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Solution

The fourth proportional to 753,621.36, 1,130,341.72 and 248,056.64 is: 372,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,621.36 : 1,130,341.72 = 248,056.64 : x
  2. Step 2: Convert to fraction form
    753,621.36/1,130,341.72 = 248,056.64/x
  3. Step 3: Cross multiply
    753,621.36x = 1,130,341.72 × 248,056.64
  4. Step 4: Simplify right side
    753,621.36x = 280,388,769,115.02
  5. Step 5: Solve for x
    x = 280,388,769,115.02/753,621.36
  6. Step 6: Final answer
    x = 372,055.23

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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.