Home / 756,661.44-1,044,115.20-434,294.40

Finding the Fourth Proportional to 756,661.44, 1,044,115.20 and 434,294.40

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Solution

The fourth proportional to 756,661.44, 1,044,115.20 and 434,294.40 is: 599,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,661.44 : 1,044,115.20 = 434,294.40 : x
  2. Step 2: Convert to fraction form
    756,661.44/1,044,115.20 = 434,294.40/x
  3. Step 3: Cross multiply
    756,661.44x = 1,044,115.20 × 434,294.40
  4. Step 4: Simplify right side
    756,661.44x = 453,453,384,314.88
  5. Step 5: Solve for x
    x = 453,453,384,314.88/756,661.44
  6. Step 6: Final answer
    x = 599,281.74

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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.