Home / 679,974.80-1,020,059.40-230,716.40

Finding the Fourth Proportional to 679,974.80, 1,020,059.40 and 230,716.40

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Solution

The fourth proportional to 679,974.80, 1,020,059.40 and 230,716.40 is: 346,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,974.80 : 1,020,059.40 = 230,716.40 : x
  2. Step 2: Convert to fraction form
    679,974.80/1,020,059.40 = 230,716.40/x
  3. Step 3: Cross multiply
    679,974.80x = 1,020,059.40 × 230,716.40
  4. Step 4: Simplify right side
    679,974.80x = 235,344,432,554.16
  5. Step 5: Solve for x
    x = 235,344,432,554.16/679,974.80
  6. Step 6: Final answer
    x = 346,107.58

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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.