Home / 1,480,815.21-2,221,222.82-358,884.21

Finding the Fourth Proportional to 1,480,815.21, 2,221,222.82 and 358,884.21

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Solution

The fourth proportional to 1,480,815.21, 2,221,222.82 and 358,884.21 is: 538,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,815.21 : 2,221,222.82 = 358,884.21 : x
  2. Step 2: Convert to fraction form
    1,480,815.21/2,221,222.82 = 358,884.21/x
  3. Step 3: Cross multiply
    1,480,815.21x = 2,221,222.82 × 358,884.21
  4. Step 4: Simplify right side
    1,480,815.21x = 797,161,796,989.67
  5. Step 5: Solve for x
    x = 797,161,796,989.67/1,480,815.21
  6. Step 6: Final answer
    x = 538,326.32

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Double scale
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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.