Home / 857,423.48-1,183,159.15-494,964.11

Finding the Fourth Proportional to 857,423.48, 1,183,159.15 and 494,964.11

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Solution

The fourth proportional to 857,423.48, 1,183,159.15 and 494,964.11 is: 683,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,423.48 : 1,183,159.15 = 494,964.11 : x
  2. Step 2: Convert to fraction form
    857,423.48/1,183,159.15 = 494,964.11/x
  3. Step 3: Cross multiply
    857,423.48x = 1,183,159.15 × 494,964.11
  4. Step 4: Simplify right side
    857,423.48x = 585,621,315,668.11
  5. Step 5: Solve for x
    x = 585,621,315,668.11/857,423.48
  6. Step 6: Final answer
    x = 683,001.26

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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.