Home / 724,657.21-1,087,023.75-219,205.24

Finding the Fourth Proportional to 724,657.21, 1,087,023.75 and 219,205.24

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Solution

The fourth proportional to 724,657.21, 1,087,023.75 and 219,205.24 is: 328,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,657.21 : 1,087,023.75 = 219,205.24 : x
  2. Step 2: Convert to fraction form
    724,657.21/1,087,023.75 = 219,205.24/x
  3. Step 3: Cross multiply
    724,657.21x = 1,087,023.75 × 219,205.24
  4. Step 4: Simplify right side
    724,657.21x = 238,281,302,004.45
  5. Step 5: Solve for x
    x = 238,281,302,004.45/724,657.21
  6. Step 6: Final answer
    x = 328,819.34

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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.