Home / 988,275.75-1,363,966.83-625,733.34

Finding the Fourth Proportional to 988,275.75, 1,363,966.83 and 625,733.34

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Solution

The fourth proportional to 988,275.75, 1,363,966.83 and 625,733.34 is: 863,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,275.75 : 1,363,966.83 = 625,733.34 : x
  2. Step 2: Convert to fraction form
    988,275.75/1,363,966.83 = 625,733.34/x
  3. Step 3: Cross multiply
    988,275.75x = 1,363,966.83 × 625,733.34
  4. Step 4: Simplify right side
    988,275.75x = 853,479,520,185.11
  5. Step 5: Solve for x
    x = 853,479,520,185.11/988,275.75
  6. Step 6: Final answer
    x = 863,604.64

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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.