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Finding the Fourth Proportional to 446,908.20, 670,362.30 and 401,807.40

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Solution

The fourth proportional to 446,908.20, 670,362.30 and 401,807.40 is: 602,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,908.20 : 670,362.30 = 401,807.40 : x
  2. Step 2: Convert to fraction form
    446,908.20/670,362.30 = 401,807.40/x
  3. Step 3: Cross multiply
    446,908.20x = 670,362.30 × 401,807.40
  4. Step 4: Simplify right side
    446,908.20x = 269,356,532,821.02
  5. Step 5: Solve for x
    x = 269,356,532,821.02/446,908.20
  6. Step 6: Final answer
    x = 602,711.10

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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.