Home / 789,484.76-1,089,495.46-435,876.96

Finding the Fourth Proportional to 789,484.76, 1,089,495.46 and 435,876.96

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Solution

The fourth proportional to 789,484.76, 1,089,495.46 and 435,876.96 is: 601,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,484.76 : 1,089,495.46 = 435,876.96 : x
  2. Step 2: Convert to fraction form
    789,484.76/1,089,495.46 = 435,876.96/x
  3. Step 3: Cross multiply
    789,484.76x = 1,089,495.46 × 435,876.96
  4. Step 4: Simplify right side
    789,484.76x = 474,885,973,669.06
  5. Step 5: Solve for x
    x = 474,885,973,669.06/789,484.76
  6. Step 6: Final answer
    x = 601,513.80

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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.