Home / 591,085.32-815,698.65-336,436.50

Finding the Fourth Proportional to 591,085.32, 815,698.65 and 336,436.50

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Solution

The fourth proportional to 591,085.32, 815,698.65 and 336,436.50 is: 464,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,085.32 : 815,698.65 = 336,436.50 : x
  2. Step 2: Convert to fraction form
    591,085.32/815,698.65 = 336,436.50/x
  3. Step 3: Cross multiply
    591,085.32x = 815,698.65 × 336,436.50
  4. Step 4: Simplify right side
    591,085.32x = 274,430,798,860.73
  5. Step 5: Solve for x
    x = 274,430,798,860.73/591,085.32
  6. Step 6: Final answer
    x = 464,282.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.