Home / 921,382.83-1,382,074.38-360,023.67

Finding the Fourth Proportional to 921,382.83, 1,382,074.38 and 360,023.67

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Solution

The fourth proportional to 921,382.83, 1,382,074.38 and 360,023.67 is: 540,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,382.83 : 1,382,074.38 = 360,023.67 : x
  2. Step 2: Convert to fraction form
    921,382.83/1,382,074.38 = 360,023.67/x
  3. Step 3: Cross multiply
    921,382.83x = 1,382,074.38 × 360,023.67
  4. Step 4: Simplify right side
    921,382.83x = 497,579,490,500.58
  5. Step 5: Solve for x
    x = 497,579,490,500.58/921,382.83
  6. Step 6: Final answer
    x = 540,035.56

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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.