Home / 949,370.10-1,424,061.09-388,404.60

Finding the Fourth Proportional to 949,370.10, 1,424,061.09 and 388,404.60

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Solution

The fourth proportional to 949,370.10, 1,424,061.09 and 388,404.60 is: 582,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,370.10 : 1,424,061.09 = 388,404.60 : x
  2. Step 2: Convert to fraction form
    949,370.10/1,424,061.09 = 388,404.60/x
  3. Step 3: Cross multiply
    949,370.10x = 1,424,061.09 × 388,404.60
  4. Step 4: Simplify right side
    949,370.10x = 553,111,878,037.01
  5. Step 5: Solve for x
    x = 553,111,878,037.01/949,370.10
  6. Step 6: Final answer
    x = 582,609.33

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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.