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Finding the Fourth Proportional to 560,808.60, 773,927.58 and 306,170.52

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Solution

The fourth proportional to 560,808.60, 773,927.58 and 306,170.52 is: 422,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,808.60 : 773,927.58 = 306,170.52 : x
  2. Step 2: Convert to fraction form
    560,808.60/773,927.58 = 306,170.52/x
  3. Step 3: Cross multiply
    560,808.60x = 773,927.58 × 306,170.52
  4. Step 4: Simplify right side
    560,808.60x = 236,953,809,610.94
  5. Step 5: Solve for x
    x = 236,953,809,610.94/560,808.60
  6. Step 6: Final answer
    x = 422,521.71

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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.