Home / 759,480.24-1,138,987.04-360,002.80

Finding the Fourth Proportional to 759,480.24, 1,138,987.04 and 360,002.80

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Solution

The fourth proportional to 759,480.24, 1,138,987.04 and 360,002.80 is: 539,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,480.24 : 1,138,987.04 = 360,002.80 : x
  2. Step 2: Convert to fraction form
    759,480.24/1,138,987.04 = 360,002.80/x
  3. Step 3: Cross multiply
    759,480.24x = 1,138,987.04 × 360,002.80
  4. Step 4: Simplify right side
    759,480.24x = 410,038,523,563.71
  5. Step 5: Solve for x
    x = 410,038,523,563.71/759,480.24
  6. Step 6: Final answer
    x = 539,893.60

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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.