Home / 559,786.72-772,526.68-318,110.44

Finding the Fourth Proportional to 559,786.72, 772,526.68 and 318,110.44

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Solution

The fourth proportional to 559,786.72, 772,526.68 and 318,110.44 is: 439,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,786.72 : 772,526.68 = 318,110.44 : x
  2. Step 2: Convert to fraction form
    559,786.72/772,526.68 = 318,110.44/x
  3. Step 3: Cross multiply
    559,786.72x = 772,526.68 × 318,110.44
  4. Step 4: Simplify right side
    559,786.72x = 245,748,802,086.54
  5. Step 5: Solve for x
    x = 245,748,802,086.54/559,786.72
  6. Step 6: Final answer
    x = 439,004.34

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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.