Home / 677,224.60-1,014,915.30-480,002.20

Finding the Fourth Proportional to 677,224.60, 1,014,915.30 and 480,002.20

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Solution

The fourth proportional to 677,224.60, 1,014,915.30 and 480,002.20 is: 719,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,224.60 : 1,014,915.30 = 480,002.20 : x
  2. Step 2: Convert to fraction form
    677,224.60/1,014,915.30 = 480,002.20/x
  3. Step 3: Cross multiply
    677,224.60x = 1,014,915.30 × 480,002.20
  4. Step 4: Simplify right side
    677,224.60x = 487,161,576,813.66
  5. Step 5: Solve for x
    x = 487,161,576,813.66/677,224.60
  6. Step 6: Final answer
    x = 719,350.09

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1.5x scale

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.