Home / 735,403.66-1,102,821.18-286,063.85

Finding the Fourth Proportional to 735,403.66, 1,102,821.18 and 286,063.85

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Solution

The fourth proportional to 735,403.66, 1,102,821.18 and 286,063.85 is: 428,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,403.66 : 1,102,821.18 = 286,063.85 : x
  2. Step 2: Convert to fraction form
    735,403.66/1,102,821.18 = 286,063.85/x
  3. Step 3: Cross multiply
    735,403.66x = 1,102,821.18 × 286,063.85
  4. Step 4: Simplify right side
    735,403.66x = 315,477,274,296.66
  5. Step 5: Solve for x
    x = 315,477,274,296.66/735,403.66
  6. Step 6: Final answer
    x = 428,985.19

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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.