Home / 1,477,557.38-2,216,336.68-355,626.38

Finding the Fourth Proportional to 1,477,557.38, 2,216,336.68 and 355,626.38

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Solution

The fourth proportional to 1,477,557.38, 2,216,336.68 and 355,626.38 is: 533,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,557.38 : 2,216,336.68 = 355,626.38 : x
  2. Step 2: Convert to fraction form
    1,477,557.38/2,216,336.68 = 355,626.38/x
  3. Step 3: Cross multiply
    1,477,557.38x = 2,216,336.68 × 355,626.38
  4. Step 4: Simplify right side
    1,477,557.38x = 788,187,790,369.62
  5. Step 5: Solve for x
    x = 788,187,790,369.62/1,477,557.38
  6. Step 6: Final answer
    x = 533,439.72

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Double scale
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Similar ratio
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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.