Home / 783,166.26-1,080,702.27-434,317.89

Finding the Fourth Proportional to 783,166.26, 1,080,702.27 and 434,317.89

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Solution

The fourth proportional to 783,166.26, 1,080,702.27 and 434,317.89 is: 599,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,166.26 : 1,080,702.27 = 434,317.89 : x
  2. Step 2: Convert to fraction form
    783,166.26/1,080,702.27 = 434,317.89/x
  3. Step 3: Cross multiply
    783,166.26x = 1,080,702.27 × 434,317.89
  4. Step 4: Simplify right side
    783,166.26x = 469,368,329,624.61
  5. Step 5: Solve for x
    x = 469,368,329,624.61/783,166.26
  6. Step 6: Final answer
    x = 599,321.44

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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.