Home / 918,244.74-1,377,391.74-287,158.56

Finding the Fourth Proportional to 918,244.74, 1,377,391.74 and 287,158.56

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Solution

The fourth proportional to 918,244.74, 1,377,391.74 and 287,158.56 is: 430,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,244.74 : 1,377,391.74 = 287,158.56 : x
  2. Step 2: Convert to fraction form
    918,244.74/1,377,391.74 = 287,158.56/x
  3. Step 3: Cross multiply
    918,244.74x = 1,377,391.74 × 287,158.56
  4. Step 4: Simplify right side
    918,244.74x = 395,529,828,614.29
  5. Step 5: Solve for x
    x = 395,529,828,614.29/918,244.74
  6. Step 6: Final answer
    x = 430,745.54

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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.