Home / 789,547.80-1,184,310.75-190,503.96

Finding the Fourth Proportional to 789,547.80, 1,184,310.75 and 190,503.96

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Solution

The fourth proportional to 789,547.80, 1,184,310.75 and 190,503.96 is: 285,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,547.80 : 1,184,310.75 = 190,503.96 : x
  2. Step 2: Convert to fraction form
    789,547.80/1,184,310.75 = 190,503.96/x
  3. Step 3: Cross multiply
    789,547.80x = 1,184,310.75 × 190,503.96
  4. Step 4: Simplify right side
    789,547.80x = 225,615,887,745.57
  5. Step 5: Solve for x
    x = 225,615,887,745.57/789,547.80
  6. Step 6: Final answer
    x = 285,753.30

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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.