Home / 891,297.04-1,230,048.36-488,889.04

Finding the Fourth Proportional to 891,297.04, 1,230,048.36 and 488,889.04

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Solution

The fourth proportional to 891,297.04, 1,230,048.36 and 488,889.04 is: 674,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,297.04 : 1,230,048.36 = 488,889.04 : x
  2. Step 2: Convert to fraction form
    891,297.04/1,230,048.36 = 488,889.04/x
  3. Step 3: Cross multiply
    891,297.04x = 1,230,048.36 × 488,889.04
  4. Step 4: Simplify right side
    891,297.04x = 601,357,161,873.97
  5. Step 5: Solve for x
    x = 601,357,161,873.97/891,297.04
  6. Step 6: Final answer
    x = 674,698.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.