Home / 483,111.76-723,967.80-272,301.16

Finding the Fourth Proportional to 483,111.76, 723,967.80 and 272,301.16

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Solution

The fourth proportional to 483,111.76, 723,967.80 and 272,301.16 is: 408,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,111.76 : 723,967.80 = 272,301.16 : x
  2. Step 2: Convert to fraction form
    483,111.76/723,967.80 = 272,301.16/x
  3. Step 3: Cross multiply
    483,111.76x = 723,967.80 × 272,301.16
  4. Step 4: Simplify right side
    483,111.76x = 197,137,271,742.65
  5. Step 5: Solve for x
    x = 197,137,271,742.65/483,111.76
  6. Step 6: Final answer
    x = 408,057.28

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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.