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Finding the Fourth Proportional to 603,779.86, 833,225.93 and 345,655.77

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Solution

The fourth proportional to 603,779.86, 833,225.93 and 345,655.77 is: 477,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,779.86 : 833,225.93 = 345,655.77 : x
  2. Step 2: Convert to fraction form
    603,779.86/833,225.93 = 345,655.77/x
  3. Step 3: Cross multiply
    603,779.86x = 833,225.93 × 345,655.77
  4. Step 4: Simplify right side
    603,779.86x = 288,009,350,418.12
  5. Step 5: Solve for x
    x = 288,009,350,418.12/603,779.86
  6. Step 6: Final answer
    x = 477,010.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.