Home / 702,786.48-1,054,376.56-282,357.60

Finding the Fourth Proportional to 702,786.48, 1,054,376.56 and 282,357.60

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Solution

The fourth proportional to 702,786.48, 1,054,376.56 and 282,357.60 is: 423,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,786.48 : 1,054,376.56 = 282,357.60 : x
  2. Step 2: Convert to fraction form
    702,786.48/1,054,376.56 = 282,357.60/x
  3. Step 3: Cross multiply
    702,786.48x = 1,054,376.56 × 282,357.60
  4. Step 4: Simplify right side
    702,786.48x = 297,711,234,977.86
  5. Step 5: Solve for x
    x = 297,711,234,977.86/702,786.48
  6. Step 6: Final answer
    x = 423,615.48

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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.