Home / 916,902.12-1,375,288.25-242,968.50

Finding the Fourth Proportional to 916,902.12, 1,375,288.25 and 242,968.50

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Solution

The fourth proportional to 916,902.12, 1,375,288.25 and 242,968.50 is: 364,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,902.12 : 1,375,288.25 = 242,968.50 : x
  2. Step 2: Convert to fraction form
    916,902.12/1,375,288.25 = 242,968.50/x
  3. Step 3: Cross multiply
    916,902.12x = 1,375,288.25 × 242,968.50
  4. Step 4: Simplify right side
    916,902.12x = 334,151,723,170.13
  5. Step 5: Solve for x
    x = 334,151,723,170.13/916,902.12
  6. Step 6: Final answer
    x = 364,435.54

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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.