Home / 681,702.69-1,020,975.30-339,522.85

Finding the Fourth Proportional to 681,702.69, 1,020,975.30 and 339,522.85

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Solution

The fourth proportional to 681,702.69, 1,020,975.30 and 339,522.85 is: 508,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,702.69 : 1,020,975.30 = 339,522.85 : x
  2. Step 2: Convert to fraction form
    681,702.69/1,020,975.30 = 339,522.85/x
  3. Step 3: Cross multiply
    681,702.69x = 1,020,975.30 × 339,522.85
  4. Step 4: Simplify right side
    681,702.69x = 346,644,444,911.82
  5. Step 5: Solve for x
    x = 346,644,444,911.82/681,702.69
  6. Step 6: Final answer
    x = 508,497.98

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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.