Home / 505,677.69-758,511.33-292,309.83

Finding the Fourth Proportional to 505,677.69, 758,511.33 and 292,309.83

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Solution

The fourth proportional to 505,677.69, 758,511.33 and 292,309.83 is: 438,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,677.69 : 758,511.33 = 292,309.83 : x
  2. Step 2: Convert to fraction form
    505,677.69/758,511.33 = 292,309.83/x
  3. Step 3: Cross multiply
    505,677.69x = 758,511.33 × 292,309.83
  4. Step 4: Simplify right side
    505,677.69x = 221,720,317,925.37
  5. Step 5: Solve for x
    x = 221,720,317,925.37/505,677.69
  6. Step 6: Final answer
    x = 438,461.74

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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.