Home / 850,531.70-1,272,845.10-779,672.90

Finding the Fourth Proportional to 850,531.70, 1,272,845.10 and 779,672.90

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Solution

The fourth proportional to 850,531.70, 1,272,845.10 and 779,672.90 is: 1,166,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,531.70 : 1,272,845.10 = 779,672.90 : x
  2. Step 2: Convert to fraction form
    850,531.70/1,272,845.10 = 779,672.90/x
  3. Step 3: Cross multiply
    850,531.70x = 1,272,845.10 × 779,672.90
  4. Step 4: Simplify right side
    850,531.70x = 992,402,830,367.79
  5. Step 5: Solve for x
    x = 992,402,830,367.79/850,531.70
  6. Step 6: Final answer
    x = 1,166,802.87

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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.