Home / 874,348.40-1,311,515.30-243,260.39

Finding the Fourth Proportional to 874,348.40, 1,311,515.30 and 243,260.39

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Solution

The fourth proportional to 874,348.40, 1,311,515.30 and 243,260.39 is: 364,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,348.40 : 1,311,515.30 = 243,260.39 : x
  2. Step 2: Convert to fraction form
    874,348.40/1,311,515.30 = 243,260.39/x
  3. Step 3: Cross multiply
    874,348.40x = 1,311,515.30 × 243,260.39
  4. Step 4: Simplify right side
    874,348.40x = 319,039,715,595.09
  5. Step 5: Solve for x
    x = 319,039,715,595.09/874,348.40
  6. Step 6: Final answer
    x = 364,888.55

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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.