Home / 775,622.04-1,163,452.50-214,661.40

Finding the Fourth Proportional to 775,622.04, 1,163,452.50 and 214,661.40

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Solution

The fourth proportional to 775,622.04, 1,163,452.50 and 214,661.40 is: 321,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,622.04 : 1,163,452.50 = 214,661.40 : x
  2. Step 2: Convert to fraction form
    775,622.04/1,163,452.50 = 214,661.40/x
  3. Step 3: Cross multiply
    775,622.04x = 1,163,452.50 × 214,661.40
  4. Step 4: Simplify right side
    775,622.04x = 249,748,342,483.50
  5. Step 5: Solve for x
    x = 249,748,342,483.50/775,622.04
  6. Step 6: Final answer
    x = 321,997.48

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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.