Home / 876,837.60-1,314,600.30-477,928.80

Finding the Fourth Proportional to 876,837.60, 1,314,600.30 and 477,928.80

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Solution

The fourth proportional to 876,837.60, 1,314,600.30 and 477,928.80 is: 716,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,837.60 : 1,314,600.30 = 477,928.80 : x
  2. Step 2: Convert to fraction form
    876,837.60/1,314,600.30 = 477,928.80/x
  3. Step 3: Cross multiply
    876,837.60x = 1,314,600.30 × 477,928.80
  4. Step 4: Simplify right side
    876,837.60x = 628,285,343,858.64
  5. Step 5: Solve for x
    x = 628,285,343,858.64/876,837.60
  6. Step 6: Final answer
    x = 716,535.59

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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.