Home / 748,244.83-1,122,533.09-215,724.30

Finding the Fourth Proportional to 748,244.83, 1,122,533.09 and 215,724.30

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Solution

The fourth proportional to 748,244.83, 1,122,533.09 and 215,724.30 is: 323,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,244.83 : 1,122,533.09 = 215,724.30 : x
  2. Step 2: Convert to fraction form
    748,244.83/1,122,533.09 = 215,724.30/x
  3. Step 3: Cross multiply
    748,244.83x = 1,122,533.09 × 215,724.30
  4. Step 4: Simplify right side
    748,244.83x = 242,157,663,988.47
  5. Step 5: Solve for x
    x = 242,157,663,988.47/748,244.83
  6. Step 6: Final answer
    x = 323,634.27

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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.