Home / 810,880.92-1,118,967.46-448,283.06

Finding the Fourth Proportional to 810,880.92, 1,118,967.46 and 448,283.06

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Solution

The fourth proportional to 810,880.92, 1,118,967.46 and 448,283.06 is: 618,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,880.92 : 1,118,967.46 = 448,283.06 : x
  2. Step 2: Convert to fraction form
    810,880.92/1,118,967.46 = 448,283.06/x
  3. Step 3: Cross multiply
    810,880.92x = 1,118,967.46 × 448,283.06
  4. Step 4: Simplify right side
    810,880.92x = 501,614,157,009.23
  5. Step 5: Solve for x
    x = 501,614,157,009.23/810,880.92
  6. Step 6: Final answer
    x = 618,603.97

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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.