Home / 756,945.33-1,044,536.88-434,428.44

Finding the Fourth Proportional to 756,945.33, 1,044,536.88 and 434,428.44

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Solution

The fourth proportional to 756,945.33, 1,044,536.88 and 434,428.44 is: 599,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,945.33 : 1,044,536.88 = 434,428.44 : x
  2. Step 2: Convert to fraction form
    756,945.33/1,044,536.88 = 434,428.44/x
  3. Step 3: Cross multiply
    756,945.33x = 1,044,536.88 × 434,428.44
  4. Step 4: Simplify right side
    756,945.33x = 453,776,527,300.87
  5. Step 5: Solve for x
    x = 453,776,527,300.87/756,945.33
  6. Step 6: Final answer
    x = 599,483.89

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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.