Home / 762,369.39-1,051,893.15-456,329.42

Finding the Fourth Proportional to 762,369.39, 1,051,893.15 and 456,329.42

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Solution

The fourth proportional to 762,369.39, 1,051,893.15 and 456,329.42 is: 629,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,369.39 : 1,051,893.15 = 456,329.42 : x
  2. Step 2: Convert to fraction form
    762,369.39/1,051,893.15 = 456,329.42/x
  3. Step 3: Cross multiply
    762,369.39x = 1,051,893.15 × 456,329.42
  4. Step 4: Simplify right side
    762,369.39x = 480,009,790,582.22
  5. Step 5: Solve for x
    x = 480,009,790,582.22/762,369.39
  6. Step 6: Final answer
    x = 629,628.89

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1.5x scale

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.