Home / 735,144.60-1,102,133.70-402,720.60

Finding the Fourth Proportional to 735,144.60, 1,102,133.70 and 402,720.60

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Solution

The fourth proportional to 735,144.60, 1,102,133.70 and 402,720.60 is: 603,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,144.60 : 1,102,133.70 = 402,720.60 : x
  2. Step 2: Convert to fraction form
    735,144.60/1,102,133.70 = 402,720.60/x
  3. Step 3: Cross multiply
    735,144.60x = 1,102,133.70 × 402,720.60
  4. Step 4: Simplify right side
    735,144.60x = 443,851,944,944.22
  5. Step 5: Solve for x
    x = 443,851,944,944.22/735,144.60
  6. Step 6: Final answer
    x = 603,761.42

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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.