Home / 909,383.40-1,363,200.30-706,867.20

Finding the Fourth Proportional to 909,383.40, 1,363,200.30 and 706,867.20

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Solution

The fourth proportional to 909,383.40, 1,363,200.30 and 706,867.20 is: 1,059,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,383.40 : 1,363,200.30 = 706,867.20 : x
  2. Step 2: Convert to fraction form
    909,383.40/1,363,200.30 = 706,867.20/x
  3. Step 3: Cross multiply
    909,383.40x = 1,363,200.30 × 706,867.20
  4. Step 4: Simplify right side
    909,383.40x = 963,601,579,100.16
  5. Step 5: Solve for x
    x = 963,601,579,100.16/909,383.40
  6. Step 6: Final answer
    x = 1,059,620.81

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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.