Home / 1,151,328.60-1,726,992.90-309,880.35

Finding the Fourth Proportional to 1,151,328.60, 1,726,992.90 and 309,880.35

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Solution

The fourth proportional to 1,151,328.60, 1,726,992.90 and 309,880.35 is: 464,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,328.60 : 1,726,992.90 = 309,880.35 : x
  2. Step 2: Convert to fraction form
    1,151,328.60/1,726,992.90 = 309,880.35/x
  3. Step 3: Cross multiply
    1,151,328.60x = 1,726,992.90 × 309,880.35
  4. Step 4: Simplify right side
    1,151,328.60x = 535,161,164,299.52
  5. Step 5: Solve for x
    x = 535,161,164,299.52/1,151,328.60
  6. Step 6: Final answer
    x = 464,820.53

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Similar ratio
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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.