Home / 998,062.32-1,497,105.36-278,360.24

Finding the Fourth Proportional to 998,062.32, 1,497,105.36 and 278,360.24

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Solution

The fourth proportional to 998,062.32, 1,497,105.36 and 278,360.24 is: 417,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,062.32 : 1,497,105.36 = 278,360.24 : x
  2. Step 2: Convert to fraction form
    998,062.32/1,497,105.36 = 278,360.24/x
  3. Step 3: Cross multiply
    998,062.32x = 1,497,105.36 × 278,360.24
  4. Step 4: Simplify right side
    998,062.32x = 416,734,599,829.36
  5. Step 5: Solve for x
    x = 416,734,599,829.36/998,062.32
  6. Step 6: Final answer
    x = 417,543.67

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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.