Home / 349,621.20-524,431.80-322,587.60

Finding the Fourth Proportional to 349,621.20, 524,431.80 and 322,587.60

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Solution

The fourth proportional to 349,621.20, 524,431.80 and 322,587.60 is: 483,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,621.20 : 524,431.80 = 322,587.60 : x
  2. Step 2: Convert to fraction form
    349,621.20/524,431.80 = 322,587.60/x
  3. Step 3: Cross multiply
    349,621.20x = 524,431.80 × 322,587.60
  4. Step 4: Simplify right side
    349,621.20x = 169,175,195,725.68
  5. Step 5: Solve for x
    x = 169,175,195,725.68/349,621.20
  6. Step 6: Final answer
    x = 483,881.40

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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.