Home / 985,543.72-1,359,968.87-555,929.44

Finding the Fourth Proportional to 985,543.72, 1,359,968.87 and 555,929.44

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Solution

The fourth proportional to 985,543.72, 1,359,968.87 and 555,929.44 is: 767,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,543.72 : 1,359,968.87 = 555,929.44 : x
  2. Step 2: Convert to fraction form
    985,543.72/1,359,968.87 = 555,929.44/x
  3. Step 3: Cross multiply
    985,543.72x = 1,359,968.87 × 555,929.44
  4. Step 4: Simplify right side
    985,543.72x = 756,046,733,706.36
  5. Step 5: Solve for x
    x = 756,046,733,706.36/985,543.72
  6. Step 6: Final answer
    x = 767,136.68

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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.