Home / 763,022.61-1,053,080.91-457,112.07

Finding the Fourth Proportional to 763,022.61, 1,053,080.91 and 457,112.07

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Solution

The fourth proportional to 763,022.61, 1,053,080.91 and 457,112.07 is: 630,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,022.61 : 1,053,080.91 = 457,112.07 : x
  2. Step 2: Convert to fraction form
    763,022.61/1,053,080.91 = 457,112.07/x
  3. Step 3: Cross multiply
    763,022.61x = 1,053,080.91 × 457,112.07
  4. Step 4: Simplify right side
    763,022.61x = 481,375,994,647.58
  5. Step 5: Solve for x
    x = 481,375,994,647.58/763,022.61
  6. Step 6: Final answer
    x = 630,880.38

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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.