Home / 905,611.61-1,358,463.89-231,698.72

Finding the Fourth Proportional to 905,611.61, 1,358,463.89 and 231,698.72

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Solution

The fourth proportional to 905,611.61, 1,358,463.89 and 231,698.72 is: 347,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,611.61 : 1,358,463.89 = 231,698.72 : x
  2. Step 2: Convert to fraction form
    905,611.61/1,358,463.89 = 231,698.72/x
  3. Step 3: Cross multiply
    905,611.61x = 1,358,463.89 × 231,698.72
  4. Step 4: Simplify right side
    905,611.61x = 314,754,348,454.63
  5. Step 5: Solve for x
    x = 314,754,348,454.63/905,611.61
  6. Step 6: Final answer
    x = 347,559.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.