Home / 735,719.40-1,103,579.10-262,938.60

Finding the Fourth Proportional to 735,719.40, 1,103,579.10 and 262,938.60

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Solution

The fourth proportional to 735,719.40, 1,103,579.10 and 262,938.60 is: 394,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,719.40 : 1,103,579.10 = 262,938.60 : x
  2. Step 2: Convert to fraction form
    735,719.40/1,103,579.10 = 262,938.60/x
  3. Step 3: Cross multiply
    735,719.40x = 1,103,579.10 × 262,938.60
  4. Step 4: Simplify right side
    735,719.40x = 290,173,543,543.26
  5. Step 5: Solve for x
    x = 290,173,543,543.26/735,719.40
  6. Step 6: Final answer
    x = 394,407.90

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1.5x scale

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.