Home / 770,018.62-1,154,939.70-201,454.61

Finding the Fourth Proportional to 770,018.62, 1,154,939.70 and 201,454.61

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Solution

The fourth proportional to 770,018.62, 1,154,939.70 and 201,454.61 is: 302,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,018.62 : 1,154,939.70 = 201,454.61 : x
  2. Step 2: Convert to fraction form
    770,018.62/1,154,939.70 = 201,454.61/x
  3. Step 3: Cross multiply
    770,018.62x = 1,154,939.70 × 201,454.61
  4. Step 4: Simplify right side
    770,018.62x = 232,667,926,837.02
  5. Step 5: Solve for x
    x = 232,667,926,837.02/770,018.62
  6. Step 6: Final answer
    x = 302,158.83

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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.