Home / 450,290.07-675,435.04-213,503.58

Finding the Fourth Proportional to 450,290.07, 675,435.04 and 213,503.58

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Solution

The fourth proportional to 450,290.07, 675,435.04 and 213,503.58 is: 320,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,290.07 : 675,435.04 = 213,503.58 : x
  2. Step 2: Convert to fraction form
    450,290.07/675,435.04 = 213,503.58/x
  3. Step 3: Cross multiply
    450,290.07x = 675,435.04 × 213,503.58
  4. Step 4: Simplify right side
    450,290.07x = 144,207,798,563.68
  5. Step 5: Solve for x
    x = 144,207,798,563.68/450,290.07
  6. Step 6: Final answer
    x = 320,255.34

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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.