Home / 834,084.86-1,249,699.23-455,271.57

Finding the Fourth Proportional to 834,084.86, 1,249,699.23 and 455,271.57

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Solution

The fourth proportional to 834,084.86, 1,249,699.23 and 455,271.57 is: 682,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,084.86 : 1,249,699.23 = 455,271.57 : x
  2. Step 2: Convert to fraction form
    834,084.86/1,249,699.23 = 455,271.57/x
  3. Step 3: Cross multiply
    834,084.86x = 1,249,699.23 × 455,271.57
  4. Step 4: Simplify right side
    834,084.86x = 568,952,530,469.89
  5. Step 5: Solve for x
    x = 568,952,530,469.89/834,084.86
  6. Step 6: Final answer
    x = 682,127.88

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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.