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Finding the Fourth Proportional to 874,368.48, 1,311,599.52 and 275,376.30

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Solution

The fourth proportional to 874,368.48, 1,311,599.52 and 275,376.30 is: 413,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,368.48 : 1,311,599.52 = 275,376.30 : x
  2. Step 2: Convert to fraction form
    874,368.48/1,311,599.52 = 275,376.30/x
  3. Step 3: Cross multiply
    874,368.48x = 1,311,599.52 × 275,376.30
  4. Step 4: Simplify right side
    874,368.48x = 361,183,422,899.38
  5. Step 5: Solve for x
    x = 361,183,422,899.38/874,368.48
  6. Step 6: Final answer
    x = 413,079.19

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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.