Home / 921,498.02-1,382,869.85-322,464.48

Finding the Fourth Proportional to 921,498.02, 1,382,869.85 and 322,464.48

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Solution

The fourth proportional to 921,498.02, 1,382,869.85 and 322,464.48 is: 483,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,498.02 : 1,382,869.85 = 322,464.48 : x
  2. Step 2: Convert to fraction form
    921,498.02/1,382,869.85 = 322,464.48/x
  3. Step 3: Cross multiply
    921,498.02x = 1,382,869.85 × 322,464.48
  4. Step 4: Simplify right side
    921,498.02x = 445,926,407,087.93
  5. Step 5: Solve for x
    x = 445,926,407,087.93/921,498.02
  6. Step 6: Final answer
    x = 483,914.67

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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.