Home / 480,343.37-720,514.10-451,114.11

Finding the Fourth Proportional to 480,343.37, 720,514.10 and 451,114.11

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Solution

The fourth proportional to 480,343.37, 720,514.10 and 451,114.11 is: 676,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,343.37 : 720,514.10 = 451,114.11 : x
  2. Step 2: Convert to fraction form
    480,343.37/720,514.10 = 451,114.11/x
  3. Step 3: Cross multiply
    480,343.37x = 720,514.10 × 451,114.11
  4. Step 4: Simplify right side
    480,343.37x = 325,034,078,091.74
  5. Step 5: Solve for x
    x = 325,034,078,091.74/480,343.37
  6. Step 6: Final answer
    x = 676,670.28

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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.