Home / 789,424.35-1,089,406.37-426,848.11

Finding the Fourth Proportional to 789,424.35, 1,089,406.37 and 426,848.11

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Solution

The fourth proportional to 789,424.35, 1,089,406.37 and 426,848.11 is: 589,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,424.35 : 1,089,406.37 = 426,848.11 : x
  2. Step 2: Convert to fraction form
    789,424.35/1,089,406.37 = 426,848.11/x
  3. Step 3: Cross multiply
    789,424.35x = 1,089,406.37 × 426,848.11
  4. Step 4: Simplify right side
    789,424.35x = 465,011,050,056.46
  5. Step 5: Solve for x
    x = 465,011,050,056.46/789,424.35
  6. Step 6: Final answer
    x = 589,050.81

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Double scale
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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.