Home / 949,400.53-1,424,225.93-309,480.05

Finding the Fourth Proportional to 949,400.53, 1,424,225.93 and 309,480.05

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Solution

The fourth proportional to 949,400.53, 1,424,225.93 and 309,480.05 is: 464,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,400.53 : 1,424,225.93 = 309,480.05 : x
  2. Step 2: Convert to fraction form
    949,400.53/1,424,225.93 = 309,480.05/x
  3. Step 3: Cross multiply
    949,400.53x = 1,424,225.93 × 309,480.05
  4. Step 4: Simplify right side
    949,400.53x = 440,769,510,480.30
  5. Step 5: Solve for x
    x = 440,769,510,480.30/949,400.53
  6. Step 6: Final answer
    x = 464,260.87

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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.