Home / 484,938.68-669,215.40-270,078.74

Finding the Fourth Proportional to 484,938.68, 669,215.40 and 270,078.74

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Solution

The fourth proportional to 484,938.68, 669,215.40 and 270,078.74 is: 372,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,938.68 : 669,215.40 = 270,078.74 : x
  2. Step 2: Convert to fraction form
    484,938.68/669,215.40 = 270,078.74/x
  3. Step 3: Cross multiply
    484,938.68x = 669,215.40 × 270,078.74
  4. Step 4: Simplify right side
    484,938.68x = 180,740,848,674.52
  5. Step 5: Solve for x
    x = 180,740,848,674.52/484,938.68
  6. Step 6: Final answer
    x = 372,708.66

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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.