Home / 572,739.58-790,334.38-331,037.81

Finding the Fourth Proportional to 572,739.58, 790,334.38 and 331,037.81

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Solution

The fourth proportional to 572,739.58, 790,334.38 and 331,037.81 is: 456,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,739.58 : 790,334.38 = 331,037.81 : x
  2. Step 2: Convert to fraction form
    572,739.58/790,334.38 = 331,037.81/x
  3. Step 3: Cross multiply
    572,739.58x = 790,334.38 × 331,037.81
  4. Step 4: Simplify right side
    572,739.58x = 261,630,562,322.91
  5. Step 5: Solve for x
    x = 261,630,562,322.91/572,739.58
  6. Step 6: Final answer
    x = 456,805.45

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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.