Home / 855,019.67-1,281,805.14-374,883.60

Finding the Fourth Proportional to 855,019.67, 1,281,805.14 and 374,883.60

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Solution

The fourth proportional to 855,019.67, 1,281,805.14 and 374,883.60 is: 562,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,019.67 : 1,281,805.14 = 374,883.60 : x
  2. Step 2: Convert to fraction form
    855,019.67/1,281,805.14 = 374,883.60/x
  3. Step 3: Cross multiply
    855,019.67x = 1,281,805.14 × 374,883.60
  4. Step 4: Simplify right side
    855,019.67x = 480,527,725,381.70
  5. Step 5: Solve for x
    x = 480,527,725,381.70/855,019.67
  6. Step 6: Final answer
    x = 562,007.80

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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.