Home / 347,554.19-479,377.44-318,966.12

Finding the Fourth Proportional to 347,554.19, 479,377.44 and 318,966.12

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Solution

The fourth proportional to 347,554.19, 479,377.44 and 318,966.12 is: 439,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,554.19 : 479,377.44 = 318,966.12 : x
  2. Step 2: Convert to fraction form
    347,554.19/479,377.44 = 318,966.12/x
  3. Step 3: Cross multiply
    347,554.19x = 479,377.44 × 318,966.12
  4. Step 4: Simplify right side
    347,554.19x = 152,905,162,052.33
  5. Step 5: Solve for x
    x = 152,905,162,052.33/347,554.19
  6. Step 6: Final answer
    x = 439,946.25

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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.