Home / 692,648.55-1,036,609.65-580,455.45

Finding the Fourth Proportional to 692,648.55, 1,036,609.65 and 580,455.45

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Solution

The fourth proportional to 692,648.55, 1,036,609.65 and 580,455.45 is: 868,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,648.55 : 1,036,609.65 = 580,455.45 : x
  2. Step 2: Convert to fraction form
    692,648.55/1,036,609.65 = 580,455.45/x
  3. Step 3: Cross multiply
    692,648.55x = 1,036,609.65 × 580,455.45
  4. Step 4: Simplify right side
    692,648.55x = 601,705,720,865.09
  5. Step 5: Solve for x
    x = 601,705,720,865.09/692,648.55
  6. Step 6: Final answer
    x = 868,702.78

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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.