Home / 555,320.40-832,786.20-288,992.40

Finding the Fourth Proportional to 555,320.40, 832,786.20 and 288,992.40

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Solution

The fourth proportional to 555,320.40, 832,786.20 and 288,992.40 is: 433,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,320.40 : 832,786.20 = 288,992.40 : x
  2. Step 2: Convert to fraction form
    555,320.40/832,786.20 = 288,992.40/x
  3. Step 3: Cross multiply
    555,320.40x = 832,786.20 × 288,992.40
  4. Step 4: Simplify right side
    555,320.40x = 240,668,882,624.88
  5. Step 5: Solve for x
    x = 240,668,882,624.88/555,320.40
  6. Step 6: Final answer
    x = 433,387.43

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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.