Home / 758,051.90-1,044,741.48-628,307.09

Finding the Fourth Proportional to 758,051.90, 1,044,741.48 and 628,307.09

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Solution

The fourth proportional to 758,051.90, 1,044,741.48 and 628,307.09 is: 865,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,051.90 : 1,044,741.48 = 628,307.09 : x
  2. Step 2: Convert to fraction form
    758,051.90/1,044,741.48 = 628,307.09/x
  3. Step 3: Cross multiply
    758,051.90x = 1,044,741.48 × 628,307.09
  4. Step 4: Simplify right side
    758,051.90x = 656,418,479,101.09
  5. Step 5: Solve for x
    x = 656,418,479,101.09/758,051.90
  6. Step 6: Final answer
    x = 865,928.15

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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.