Home / 859,742.06-1,290,609.45-461,161.34

Finding the Fourth Proportional to 859,742.06, 1,290,609.45 and 461,161.34

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Solution

The fourth proportional to 859,742.06, 1,290,609.45 and 461,161.34 is: 692,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,742.06 : 1,290,609.45 = 461,161.34 : x
  2. Step 2: Convert to fraction form
    859,742.06/1,290,609.45 = 461,161.34/x
  3. Step 3: Cross multiply
    859,742.06x = 1,290,609.45 × 461,161.34
  4. Step 4: Simplify right side
    859,742.06x = 595,179,183,378.66
  5. Step 5: Solve for x
    x = 595,179,183,378.66/859,742.06
  6. Step 6: Final answer
    x = 692,276.45

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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.