Home / 447,670.32-618,013.20-345,466.14

Finding the Fourth Proportional to 447,670.32, 618,013.20 and 345,466.14

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Solution

The fourth proportional to 447,670.32, 618,013.20 and 345,466.14 is: 476,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,670.32 : 618,013.20 = 345,466.14 : x
  2. Step 2: Convert to fraction form
    447,670.32/618,013.20 = 345,466.14/x
  3. Step 3: Cross multiply
    447,670.32x = 618,013.20 × 345,466.14
  4. Step 4: Simplify right side
    447,670.32x = 213,502,634,673.05
  5. Step 5: Solve for x
    x = 213,502,634,673.05/447,670.32
  6. Step 6: Final answer
    x = 476,919.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.