Home / 977,366.22-1,347,377.67-718,786.14

Finding the Fourth Proportional to 977,366.22, 1,347,377.67 and 718,786.14

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Solution

The fourth proportional to 977,366.22, 1,347,377.67 and 718,786.14 is: 990,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,366.22 : 1,347,377.67 = 718,786.14 : x
  2. Step 2: Convert to fraction form
    977,366.22/1,347,377.67 = 718,786.14/x
  3. Step 3: Cross multiply
    977,366.22x = 1,347,377.67 × 718,786.14
  4. Step 4: Simplify right side
    977,366.22x = 968,476,394,541.49
  5. Step 5: Solve for x
    x = 968,476,394,541.49/977,366.22
  6. Step 6: Final answer
    x = 990,904.30

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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.