Home / 609,119.60-911,929.80-372,923.60

Finding the Fourth Proportional to 609,119.60, 911,929.80 and 372,923.60

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Solution

The fourth proportional to 609,119.60, 911,929.80 and 372,923.60 is: 558,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,119.60 : 911,929.80 = 372,923.60 : x
  2. Step 2: Convert to fraction form
    609,119.60/911,929.80 = 372,923.60/x
  3. Step 3: Cross multiply
    609,119.60x = 911,929.80 × 372,923.60
  4. Step 4: Simplify right side
    609,119.60x = 340,080,143,963.28
  5. Step 5: Solve for x
    x = 340,080,143,963.28/609,119.60
  6. Step 6: Final answer
    x = 558,314.24

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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.