Home / 695,556.80-1,044,602.40-415,620.80

Finding the Fourth Proportional to 695,556.80, 1,044,602.40 and 415,620.80

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Solution

The fourth proportional to 695,556.80, 1,044,602.40 and 415,620.80 is: 624,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,556.80 : 1,044,602.40 = 415,620.80 : x
  2. Step 2: Convert to fraction form
    695,556.80/1,044,602.40 = 415,620.80/x
  3. Step 3: Cross multiply
    695,556.80x = 1,044,602.40 × 415,620.80
  4. Step 4: Simplify right side
    695,556.80x = 434,158,485,169.92
  5. Step 5: Solve for x
    x = 434,158,485,169.92/695,556.80
  6. Step 6: Final answer
    x = 624,188.40

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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.