Home / 790,300.14-1,185,408.44-221,720.83

Finding the Fourth Proportional to 790,300.14, 1,185,408.44 and 221,720.83

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Solution

The fourth proportional to 790,300.14, 1,185,408.44 and 221,720.83 is: 332,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,300.14 : 1,185,408.44 = 221,720.83 : x
  2. Step 2: Convert to fraction form
    790,300.14/1,185,408.44 = 221,720.83/x
  3. Step 3: Cross multiply
    790,300.14x = 1,185,408.44 × 221,720.83
  4. Step 4: Simplify right side
    790,300.14x = 262,829,742,097.20
  5. Step 5: Solve for x
    x = 262,829,742,097.20/790,300.14
  6. Step 6: Final answer
    x = 332,569.53

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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.