Home / 671,412.08-1,007,128.79-373,784.33

Finding the Fourth Proportional to 671,412.08, 1,007,128.79 and 373,784.33

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Solution

The fourth proportional to 671,412.08, 1,007,128.79 and 373,784.33 is: 560,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,412.08 : 1,007,128.79 = 373,784.33 : x
  2. Step 2: Convert to fraction form
    671,412.08/1,007,128.79 = 373,784.33/x
  3. Step 3: Cross multiply
    671,412.08x = 1,007,128.79 × 373,784.33
  4. Step 4: Simplify right side
    671,412.08x = 376,448,953,089.30
  5. Step 5: Solve for x
    x = 376,448,953,089.30/671,412.08
  6. Step 6: Final answer
    x = 560,682.43

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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.