Home / 691,790.40-1,037,109.60-292,737.60

Finding the Fourth Proportional to 691,790.40, 1,037,109.60 and 292,737.60

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Solution

The fourth proportional to 691,790.40, 1,037,109.60 and 292,737.60 is: 438,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,790.40 : 1,037,109.60 = 292,737.60 : x
  2. Step 2: Convert to fraction form
    691,790.40/1,037,109.60 = 292,737.60/x
  3. Step 3: Cross multiply
    691,790.40x = 1,037,109.60 × 292,737.60
  4. Step 4: Simplify right side
    691,790.40x = 303,600,975,240.96
  5. Step 5: Solve for x
    x = 303,600,975,240.96/691,790.40
  6. Step 6: Final answer
    x = 438,862.66

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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.