Home / 570,777.43-788,202.33-427,288.36

Finding the Fourth Proportional to 570,777.43, 788,202.33 and 427,288.36

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Solution

The fourth proportional to 570,777.43, 788,202.33 and 427,288.36 is: 590,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,777.43 : 788,202.33 = 427,288.36 : x
  2. Step 2: Convert to fraction form
    570,777.43/788,202.33 = 427,288.36/x
  3. Step 3: Cross multiply
    570,777.43x = 788,202.33 × 427,288.36
  4. Step 4: Simplify right side
    570,777.43x = 336,789,678,797.44
  5. Step 5: Solve for x
    x = 336,789,678,797.44/570,777.43
  6. Step 6: Final answer
    x = 590,054.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.