Home / 942,678.91-1,414,239.83-311,592.72

Finding the Fourth Proportional to 942,678.91, 1,414,239.83 and 311,592.72

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Solution

The fourth proportional to 942,678.91, 1,414,239.83 and 311,592.72 is: 467,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,678.91 : 1,414,239.83 = 311,592.72 : x
  2. Step 2: Convert to fraction form
    942,678.91/1,414,239.83 = 311,592.72/x
  3. Step 3: Cross multiply
    942,678.91x = 1,414,239.83 × 311,592.72
  4. Step 4: Simplify right side
    942,678.91x = 440,666,835,362.04
  5. Step 5: Solve for x
    x = 440,666,835,362.04/942,678.91
  6. Step 6: Final answer
    x = 467,462.28

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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.