Home / 847,710.50-1,271,087.03-278,938.22

Finding the Fourth Proportional to 847,710.50, 1,271,087.03 and 278,938.22

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Solution

The fourth proportional to 847,710.50, 1,271,087.03 and 278,938.22 is: 418,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,710.50 : 1,271,087.03 = 278,938.22 : x
  2. Step 2: Convert to fraction form
    847,710.50/1,271,087.03 = 278,938.22/x
  3. Step 3: Cross multiply
    847,710.50x = 1,271,087.03 × 278,938.22
  4. Step 4: Simplify right side
    847,710.50x = 354,554,747,955.20
  5. Step 5: Solve for x
    x = 354,554,747,955.20/847,710.50
  6. Step 6: Final answer
    x = 418,249.80

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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.