Home / 923,430.80-1,384,368.60-480,198.80

Finding the Fourth Proportional to 923,430.80, 1,384,368.60 and 480,198.80

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Solution

The fourth proportional to 923,430.80, 1,384,368.60 and 480,198.80 is: 719,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,430.80 : 1,384,368.60 = 480,198.80 : x
  2. Step 2: Convert to fraction form
    923,430.80/1,384,368.60 = 480,198.80/x
  3. Step 3: Cross multiply
    923,430.80x = 1,384,368.60 × 480,198.80
  4. Step 4: Simplify right side
    923,430.80x = 664,772,140,477.68
  5. Step 5: Solve for x
    x = 664,772,140,477.68/923,430.80
  6. Step 6: Final answer
    x = 719,893.84

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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.