Home / 949,509.88-1,424,389.86-309,588.89

Finding the Fourth Proportional to 949,509.88, 1,424,389.86 and 309,588.89

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Solution

The fourth proportional to 949,509.88, 1,424,389.86 and 309,588.89 is: 464,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,509.88 : 1,424,389.86 = 309,588.89 : x
  2. Step 2: Convert to fraction form
    949,509.88/1,424,389.86 = 309,588.89/x
  3. Step 3: Cross multiply
    949,509.88x = 1,424,389.86 × 309,588.89
  4. Step 4: Simplify right side
    949,509.88x = 440,975,268,562.71
  5. Step 5: Solve for x
    x = 440,975,268,562.71/949,509.88
  6. Step 6: Final answer
    x = 464,424.10

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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.