Home / 632,878.09-949,415.73-212,055.55

Finding the Fourth Proportional to 632,878.09, 949,415.73 and 212,055.55

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Solution

The fourth proportional to 632,878.09, 949,415.73 and 212,055.55 is: 318,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,878.09 : 949,415.73 = 212,055.55 : x
  2. Step 2: Convert to fraction form
    632,878.09/949,415.73 = 212,055.55/x
  3. Step 3: Cross multiply
    632,878.09x = 949,415.73 × 212,055.55
  4. Step 4: Simplify right side
    632,878.09x = 201,328,874,803.80
  5. Step 5: Solve for x
    x = 201,328,874,803.80/632,878.09
  6. Step 6: Final answer
    x = 318,116.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.