Home / 691,878.40-1,037,241.60-292,825.60

Finding the Fourth Proportional to 691,878.40, 1,037,241.60 and 292,825.60

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Solution

The fourth proportional to 691,878.40, 1,037,241.60 and 292,825.60 is: 438,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,878.40 : 1,037,241.60 = 292,825.60 : x
  2. Step 2: Convert to fraction form
    691,878.40/1,037,241.60 = 292,825.60/x
  3. Step 3: Cross multiply
    691,878.40x = 1,037,241.60 × 292,825.60
  4. Step 4: Simplify right side
    691,878.40x = 303,730,893,864.96
  5. Step 5: Solve for x
    x = 303,730,893,864.96/691,878.40
  6. Step 6: Final answer
    x = 438,994.62

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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.