Home / 793,455.90-1,190,358.81-260,955.42

Finding the Fourth Proportional to 793,455.90, 1,190,358.81 and 260,955.42

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Solution

The fourth proportional to 793,455.90, 1,190,358.81 and 260,955.42 is: 391,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,455.90 : 1,190,358.81 = 260,955.42 : x
  2. Step 2: Convert to fraction form
    793,455.90/1,190,358.81 = 260,955.42/x
  3. Step 3: Cross multiply
    793,455.90x = 1,190,358.81 × 260,955.42
  4. Step 4: Simplify right side
    793,455.90x = 310,630,583,214.25
  5. Step 5: Solve for x
    x = 310,630,583,214.25/793,455.90
  6. Step 6: Final answer
    x = 391,490.67

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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.