Home / 480,619.53-720,298.62-353,665.33

Finding the Fourth Proportional to 480,619.53, 720,298.62 and 353,665.33

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Solution

The fourth proportional to 480,619.53, 720,298.62 and 353,665.33 is: 530,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,619.53 : 720,298.62 = 353,665.33 : x
  2. Step 2: Convert to fraction form
    480,619.53/720,298.62 = 353,665.33/x
  3. Step 3: Cross multiply
    480,619.53x = 720,298.62 × 353,665.33
  4. Step 4: Simplify right side
    480,619.53x = 254,744,649,140.85
  5. Step 5: Solve for x
    x = 254,744,649,140.85/480,619.53
  6. Step 6: Final answer
    x = 530,033.91

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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.