Home / 713,868.31-1,070,687.57-208,310.59

Finding the Fourth Proportional to 713,868.31, 1,070,687.57 and 208,310.59

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Solution

The fourth proportional to 713,868.31, 1,070,687.57 and 208,310.59 is: 312,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,868.31 : 1,070,687.57 = 208,310.59 : x
  2. Step 2: Convert to fraction form
    713,868.31/1,070,687.57 = 208,310.59/x
  3. Step 3: Cross multiply
    713,868.31x = 1,070,687.57 × 208,310.59
  4. Step 4: Simplify right side
    713,868.31x = 223,035,562,609.86
  5. Step 5: Solve for x
    x = 223,035,562,609.86/713,868.31
  6. Step 6: Final answer
    x = 312,432.36

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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.