Home / 756,448.56-1,043,905.80-416,928.72

Finding the Fourth Proportional to 756,448.56, 1,043,905.80 and 416,928.72

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Solution

The fourth proportional to 756,448.56, 1,043,905.80 and 416,928.72 is: 575,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,448.56 : 1,043,905.80 = 416,928.72 : x
  2. Step 2: Convert to fraction form
    756,448.56/1,043,905.80 = 416,928.72/x
  3. Step 3: Cross multiply
    756,448.56x = 1,043,905.80 × 416,928.72
  4. Step 4: Simplify right side
    756,448.56x = 435,234,308,994.58
  5. Step 5: Solve for x
    x = 435,234,308,994.58/756,448.56
  6. Step 6: Final answer
    x = 575,365.37

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1.5x scale

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.