Home / 634,072.95-874,997.54-347,586.89

Finding the Fourth Proportional to 634,072.95, 874,997.54 and 347,586.89

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Solution

The fourth proportional to 634,072.95, 874,997.54 and 347,586.89 is: 479,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,072.95 : 874,997.54 = 347,586.89 : x
  2. Step 2: Convert to fraction form
    634,072.95/874,997.54 = 347,586.89/x
  3. Step 3: Cross multiply
    634,072.95x = 874,997.54 × 347,586.89
  4. Step 4: Simplify right side
    634,072.95x = 304,137,667,573.33
  5. Step 5: Solve for x
    x = 304,137,667,573.33/634,072.95
  6. Step 6: Final answer
    x = 479,657.22

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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.