Home / 756,261.20-1,134,829.20-282,994.40

Finding the Fourth Proportional to 756,261.20, 1,134,829.20 and 282,994.40

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Solution

The fourth proportional to 756,261.20, 1,134,829.20 and 282,994.40 is: 424,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,261.20 : 1,134,829.20 = 282,994.40 : x
  2. Step 2: Convert to fraction form
    756,261.20/1,134,829.20 = 282,994.40/x
  3. Step 3: Cross multiply
    756,261.20x = 1,134,829.20 × 282,994.40
  4. Step 4: Simplify right side
    756,261.20x = 321,150,308,556.48
  5. Step 5: Solve for x
    x = 321,150,308,556.48/756,261.20
  6. Step 6: Final answer
    x = 424,655.28

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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.