Home / 953.04-1,429.56-440.40

Finding the Fourth Proportional to 953.04, 1,429.56 and 440.40

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Solution

The fourth proportional to 953.04, 1,429.56 and 440.40 is: 660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.04 : 1,429.56 = 440.40 : x
  2. Step 2: Convert to fraction form
    953.04/1,429.56 = 440.40/x
  3. Step 3: Cross multiply
    953.04x = 1,429.56 × 440.40
  4. Step 4: Simplify right side
    953.04x = 629,578.22
  5. Step 5: Solve for x
    x = 629,578.22/953.04
  6. Step 6: Final answer
    x = 660.60

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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.