Home / 897,105.45-1,346,543.91-392,015.07

Finding the Fourth Proportional to 897,105.45, 1,346,543.91 and 392,015.07

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Solution

The fourth proportional to 897,105.45, 1,346,543.91 and 392,015.07 is: 588,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,105.45 : 1,346,543.91 = 392,015.07 : x
  2. Step 2: Convert to fraction form
    897,105.45/1,346,543.91 = 392,015.07/x
  3. Step 3: Cross multiply
    897,105.45x = 1,346,543.91 × 392,015.07
  4. Step 4: Simplify right side
    897,105.45x = 527,865,505,136.72
  5. Step 5: Solve for x
    x = 527,865,505,136.72/897,105.45
  6. Step 6: Final answer
    x = 588,409.65

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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.