Home / 859,622.98-1,185,094.13-685,783.06

Finding the Fourth Proportional to 859,622.98, 1,185,094.13 and 685,783.06

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Solution

The fourth proportional to 859,622.98, 1,185,094.13 and 685,783.06 is: 945,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,622.98 : 1,185,094.13 = 685,783.06 : x
  2. Step 2: Convert to fraction form
    859,622.98/1,185,094.13 = 685,783.06/x
  3. Step 3: Cross multiply
    859,622.98x = 1,185,094.13 × 685,783.06
  4. Step 4: Simplify right side
    859,622.98x = 812,717,477,611.16
  5. Step 5: Solve for x
    x = 812,717,477,611.16/859,622.98
  6. Step 6: Final answer
    x = 945,434.80

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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.