Home / 671,316.42-1,007,122.60-292,297.98

Finding the Fourth Proportional to 671,316.42, 1,007,122.60 and 292,297.98

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Solution

The fourth proportional to 671,316.42, 1,007,122.60 and 292,297.98 is: 438,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,316.42 : 1,007,122.60 = 292,297.98 : x
  2. Step 2: Convert to fraction form
    671,316.42/1,007,122.60 = 292,297.98/x
  3. Step 3: Cross multiply
    671,316.42x = 1,007,122.60 × 292,297.98
  4. Step 4: Simplify right side
    671,316.42x = 294,379,901,592.35
  5. Step 5: Solve for x
    x = 294,379,901,592.35/671,316.42
  6. Step 6: Final answer
    x = 438,511.40

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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.