Home / 848,117.76-1,270,349.73-398,164.38

Finding the Fourth Proportional to 848,117.76, 1,270,349.73 and 398,164.38

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Solution

The fourth proportional to 848,117.76, 1,270,349.73 and 398,164.38 is: 596,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,117.76 : 1,270,349.73 = 398,164.38 : x
  2. Step 2: Convert to fraction form
    848,117.76/1,270,349.73 = 398,164.38/x
  3. Step 3: Cross multiply
    848,117.76x = 1,270,349.73 × 398,164.38
  4. Step 4: Simplify right side
    848,117.76x = 505,808,012,628.62
  5. Step 5: Solve for x
    x = 505,808,012,628.62/848,117.76
  6. Step 6: Final answer
    x = 596,388.89

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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.