Home / 712,582.52-1,068,910.43-180,108.09

Finding the Fourth Proportional to 712,582.52, 1,068,910.43 and 180,108.09

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Solution

The fourth proportional to 712,582.52, 1,068,910.43 and 180,108.09 is: 270,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,582.52 : 1,068,910.43 = 180,108.09 : x
  2. Step 2: Convert to fraction form
    712,582.52/1,068,910.43 = 180,108.09/x
  3. Step 3: Cross multiply
    712,582.52x = 1,068,910.43 × 180,108.09
  4. Step 4: Simplify right side
    712,582.52x = 192,519,415,027.84
  5. Step 5: Solve for x
    x = 192,519,415,027.84/712,582.52
  6. Step 6: Final answer
    x = 270,171.40

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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.