Home / 807,686.78-1,114,612.14-463,495.30

Finding the Fourth Proportional to 807,686.78, 1,114,612.14 and 463,495.30

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Solution

The fourth proportional to 807,686.78, 1,114,612.14 and 463,495.30 is: 639,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,686.78 : 1,114,612.14 = 463,495.30 : x
  2. Step 2: Convert to fraction form
    807,686.78/1,114,612.14 = 463,495.30/x
  3. Step 3: Cross multiply
    807,686.78x = 1,114,612.14 × 463,495.30
  4. Step 4: Simplify right side
    807,686.78x = 516,617,488,343.97
  5. Step 5: Solve for x
    x = 516,617,488,343.97/807,686.78
  6. Step 6: Final answer
    x = 639,626.03

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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.