Home / 918,350.70-1,377,165.60-349,429.65

Finding the Fourth Proportional to 918,350.70, 1,377,165.60 and 349,429.65

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Solution

The fourth proportional to 918,350.70, 1,377,165.60 and 349,429.65 is: 524,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,350.70 : 1,377,165.60 = 349,429.65 : x
  2. Step 2: Convert to fraction form
    918,350.70/1,377,165.60 = 349,429.65/x
  3. Step 3: Cross multiply
    918,350.70x = 1,377,165.60 × 349,429.65
  4. Step 4: Simplify right side
    918,350.70x = 481,222,493,600.04
  5. Step 5: Solve for x
    x = 481,222,493,600.04/918,350.70
  6. Step 6: Final answer
    x = 524,007.32

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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.