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Finding the Fourth Proportional to 614,813.13, 848,519.87 and 373,081.77

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Solution

The fourth proportional to 614,813.13, 848,519.87 and 373,081.77 is: 514,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,813.13 : 848,519.87 = 373,081.77 : x
  2. Step 2: Convert to fraction form
    614,813.13/848,519.87 = 373,081.77/x
  3. Step 3: Cross multiply
    614,813.13x = 848,519.87 × 373,081.77
  4. Step 4: Simplify right side
    614,813.13x = 316,567,293,114.36
  5. Step 5: Solve for x
    x = 316,567,293,114.36/614,813.13
  6. Step 6: Final answer
    x = 514,900.02

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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.