Home / 840,203.54-1,260,303.37-360,120.05

Finding the Fourth Proportional to 840,203.54, 1,260,303.37 and 360,120.05

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Solution

The fourth proportional to 840,203.54, 1,260,303.37 and 360,120.05 is: 540,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,203.54 : 1,260,303.37 = 360,120.05 : x
  2. Step 2: Convert to fraction form
    840,203.54/1,260,303.37 = 360,120.05/x
  3. Step 3: Cross multiply
    840,203.54x = 1,260,303.37 × 360,120.05
  4. Step 4: Simplify right side
    840,203.54x = 453,860,512,619.57
  5. Step 5: Solve for x
    x = 453,860,512,619.57/840,203.54
  6. Step 6: Final answer
    x = 540,179.24

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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.