Home / 735,815.60-1,103,723.40-380,938.40

Finding the Fourth Proportional to 735,815.60, 1,103,723.40 and 380,938.40

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Solution

The fourth proportional to 735,815.60, 1,103,723.40 and 380,938.40 is: 571,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,815.60 : 1,103,723.40 = 380,938.40 : x
  2. Step 2: Convert to fraction form
    735,815.60/1,103,723.40 = 380,938.40/x
  3. Step 3: Cross multiply
    735,815.60x = 1,103,723.40 × 380,938.40
  4. Step 4: Simplify right side
    735,815.60x = 420,450,626,038.56
  5. Step 5: Solve for x
    x = 420,450,626,038.56/735,815.60
  6. Step 6: Final answer
    x = 571,407.60

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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.