Home / 770,018.82-1,154,939.96-201,454.79

Finding the Fourth Proportional to 770,018.82, 1,154,939.96 and 201,454.79

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Solution

The fourth proportional to 770,018.82, 1,154,939.96 and 201,454.79 is: 302,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,018.82 : 1,154,939.96 = 201,454.79 : x
  2. Step 2: Convert to fraction form
    770,018.82/1,154,939.96 = 201,454.79/x
  3. Step 3: Cross multiply
    770,018.82x = 1,154,939.96 × 201,454.79
  4. Step 4: Simplify right side
    770,018.82x = 232,668,181,833.35
  5. Step 5: Solve for x
    x = 232,668,181,833.35/770,018.82
  6. Step 6: Final answer
    x = 302,159.09

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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.