Home / 464,455.04-640,940.25-270,975.25

Finding the Fourth Proportional to 464,455.04, 640,940.25 and 270,975.25

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Solution

The fourth proportional to 464,455.04, 640,940.25 and 270,975.25 is: 373,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,455.04 : 640,940.25 = 270,975.25 : x
  2. Step 2: Convert to fraction form
    464,455.04/640,940.25 = 270,975.25/x
  3. Step 3: Cross multiply
    464,455.04x = 640,940.25 × 270,975.25
  4. Step 4: Simplify right side
    464,455.04x = 173,678,941,274.11
  5. Step 5: Solve for x
    x = 173,678,941,274.11/464,455.04
  6. Step 6: Final answer
    x = 373,941.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.