Home / 679,639.25-937,917.59-373,732.63

Finding the Fourth Proportional to 679,639.25, 937,917.59 and 373,732.63

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Solution

The fourth proportional to 679,639.25, 937,917.59 and 373,732.63 is: 515,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,639.25 : 937,917.59 = 373,732.63 : x
  2. Step 2: Convert to fraction form
    679,639.25/937,917.59 = 373,732.63/x
  3. Step 3: Cross multiply
    679,639.25x = 937,917.59 × 373,732.63
  4. Step 4: Simplify right side
    679,639.25x = 350,530,401,075.71
  5. Step 5: Solve for x
    x = 350,530,401,075.71/679,639.25
  6. Step 6: Final answer
    x = 515,759.50

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1.5x scale

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.