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Finding the Fourth Proportional to 628,287.76, 942,587.16 and 295,786

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Solution

The fourth proportional to 628,287.76, 942,587.16 and 295,786 is: 443,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,287.76 : 942,587.16 = 295,786 : x
  2. Step 2: Convert to fraction form
    628,287.76/942,587.16 = 295,786/x
  3. Step 3: Cross multiply
    628,287.76x = 942,587.16 × 295,786
  4. Step 4: Simplify right side
    628,287.76x = 278,804,085,707.76
  5. Step 5: Solve for x
    x = 278,804,085,707.76/628,287.76
  6. Step 6: Final answer
    x = 443,752.22

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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.