Home / 446,723.20-670,603.20-269,430.40

Finding the Fourth Proportional to 446,723.20, 670,603.20 and 269,430.40

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Solution

The fourth proportional to 446,723.20, 670,603.20 and 269,430.40 is: 404,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,723.20 : 670,603.20 = 269,430.40 : x
  2. Step 2: Convert to fraction form
    446,723.20/670,603.20 = 269,430.40/x
  3. Step 3: Cross multiply
    446,723.20x = 670,603.20 × 269,430.40
  4. Step 4: Simplify right side
    446,723.20x = 180,680,888,417.28
  5. Step 5: Solve for x
    x = 180,680,888,417.28/446,723.20
  6. Step 6: Final answer
    x = 404,458.26

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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.