Home / 917,930.27-1,266,336.22-611,708.35

Finding the Fourth Proportional to 917,930.27, 1,266,336.22 and 611,708.35

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Solution

The fourth proportional to 917,930.27, 1,266,336.22 and 611,708.35 is: 843,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,930.27 : 1,266,336.22 = 611,708.35 : x
  2. Step 2: Convert to fraction form
    917,930.27/1,266,336.22 = 611,708.35/x
  3. Step 3: Cross multiply
    917,930.27x = 1,266,336.22 × 611,708.35
  4. Step 4: Simplify right side
    917,930.27x = 774,628,439,681.44
  5. Step 5: Solve for x
    x = 774,628,439,681.44/917,930.27
  6. Step 6: Final answer
    x = 843,885.93

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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.