Home / 645,057.95-967,590.02-195,782.72

Finding the Fourth Proportional to 645,057.95, 967,590.02 and 195,782.72

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Solution

The fourth proportional to 645,057.95, 967,590.02 and 195,782.72 is: 293,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,057.95 : 967,590.02 = 195,782.72 : x
  2. Step 2: Convert to fraction form
    645,057.95/967,590.02 = 195,782.72/x
  3. Step 3: Cross multiply
    645,057.95x = 967,590.02 × 195,782.72
  4. Step 4: Simplify right side
    645,057.95x = 189,437,404,981.54
  5. Step 5: Solve for x
    x = 189,437,404,981.54/645,057.95
  6. Step 6: Final answer
    x = 293,675.02

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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.