Home / 713,920.15-1,070,955.33-208,482.55

Finding the Fourth Proportional to 713,920.15, 1,070,955.33 and 208,482.55

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Solution

The fourth proportional to 713,920.15, 1,070,955.33 and 208,482.55 is: 312,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,920.15 : 1,070,955.33 = 208,482.55 : x
  2. Step 2: Convert to fraction form
    713,920.15/1,070,955.33 = 208,482.55/x
  3. Step 3: Cross multiply
    713,920.15x = 1,070,955.33 × 208,482.55
  4. Step 4: Simplify right side
    713,920.15x = 223,275,494,675.29
  5. Step 5: Solve for x
    x = 223,275,494,675.29/713,920.15
  6. Step 6: Final answer
    x = 312,745.75

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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.