Home / 789,531.07-1,184,285.61-190,487.20

Finding the Fourth Proportional to 789,531.07, 1,184,285.61 and 190,487.20

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Solution

The fourth proportional to 789,531.07, 1,184,285.61 and 190,487.20 is: 285,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,531.07 : 1,184,285.61 = 190,487.20 : x
  2. Step 2: Convert to fraction form
    789,531.07/1,184,285.61 = 190,487.20/x
  3. Step 3: Cross multiply
    789,531.07x = 1,184,285.61 × 190,487.20
  4. Step 4: Simplify right side
    789,531.07x = 225,591,249,849.19
  5. Step 5: Solve for x
    x = 225,591,249,849.19/789,531.07
  6. Step 6: Final answer
    x = 285,728.15

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Double scale
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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.