Home / 875,931.20-1,313,896.80-734,213.60

Finding the Fourth Proportional to 875,931.20, 1,313,896.80 and 734,213.60

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Solution

The fourth proportional to 875,931.20, 1,313,896.80 and 734,213.60 is: 1,101,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,931.20 : 1,313,896.80 = 734,213.60 : x
  2. Step 2: Convert to fraction form
    875,931.20/1,313,896.80 = 734,213.60/x
  3. Step 3: Cross multiply
    875,931.20x = 1,313,896.80 × 734,213.60
  4. Step 4: Simplify right side
    875,931.20x = 964,680,899,556.48
  5. Step 5: Solve for x
    x = 964,680,899,556.48/875,931.20
  6. Step 6: Final answer
    x = 1,101,320.40

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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.