Home / 916,901.12-1,375,286.75-242,967.50

Finding the Fourth Proportional to 916,901.12, 1,375,286.75 and 242,967.50

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Solution

The fourth proportional to 916,901.12, 1,375,286.75 and 242,967.50 is: 364,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,901.12 : 1,375,286.75 = 242,967.50 : x
  2. Step 2: Convert to fraction form
    916,901.12/1,375,286.75 = 242,967.50/x
  3. Step 3: Cross multiply
    916,901.12x = 1,375,286.75 × 242,967.50
  4. Step 4: Simplify right side
    916,901.12x = 334,149,981,407.81
  5. Step 5: Solve for x
    x = 334,149,981,407.81/916,901.12
  6. Step 6: Final answer
    x = 364,434.04

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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.