Home / 949,491.85-1,424,362.84-309,570.86

Finding the Fourth Proportional to 949,491.85, 1,424,362.84 and 309,570.86

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Solution

The fourth proportional to 949,491.85, 1,424,362.84 and 309,570.86 is: 464,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,491.85 : 1,424,362.84 = 309,570.86 : x
  2. Step 2: Convert to fraction form
    949,491.85/1,424,362.84 = 309,570.86/x
  3. Step 3: Cross multiply
    949,491.85x = 1,424,362.84 × 309,570.86
  4. Step 4: Simplify right side
    949,491.85x = 440,941,227,782.99
  5. Step 5: Solve for x
    x = 440,941,227,782.99/949,491.85
  6. Step 6: Final answer
    x = 464,397.07

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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.