Home / 439,922.40-659,918.16-124,374.24

Finding the Fourth Proportional to 439,922.40, 659,918.16 and 124,374.24

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Solution

The fourth proportional to 439,922.40, 659,918.16 and 124,374.24 is: 186,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,922.40 : 659,918.16 = 124,374.24 : x
  2. Step 2: Convert to fraction form
    439,922.40/659,918.16 = 124,374.24/x
  3. Step 3: Cross multiply
    439,922.40x = 659,918.16 × 124,374.24
  4. Step 4: Simplify right side
    439,922.40x = 82,076,819,612.20
  5. Step 5: Solve for x
    x = 82,076,819,612.20/439,922.40
  6. Step 6: Final answer
    x = 186,571.13

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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.