Home / 779,982.54-1,076,382.99-457,697.94

Finding the Fourth Proportional to 779,982.54, 1,076,382.99 and 457,697.94

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Solution

The fourth proportional to 779,982.54, 1,076,382.99 and 457,697.94 is: 631,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,982.54 : 1,076,382.99 = 457,697.94 : x
  2. Step 2: Convert to fraction form
    779,982.54/1,076,382.99 = 457,697.94/x
  3. Step 3: Cross multiply
    779,982.54x = 1,076,382.99 × 457,697.94
  4. Step 4: Simplify right side
    779,982.54x = 492,658,277,174.04
  5. Step 5: Solve for x
    x = 492,658,277,174.04/779,982.54
  6. Step 6: Final answer
    x = 631,627.31

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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.