Home / 699,127.48-1,048,026.78-445,696.72

Finding the Fourth Proportional to 699,127.48, 1,048,026.78 and 445,696.72

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Solution

The fourth proportional to 699,127.48, 1,048,026.78 and 445,696.72 is: 668,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,127.48 : 1,048,026.78 = 445,696.72 : x
  2. Step 2: Convert to fraction form
    699,127.48/1,048,026.78 = 445,696.72/x
  3. Step 3: Cross multiply
    699,127.48x = 1,048,026.78 × 445,696.72
  4. Step 4: Simplify right side
    699,127.48x = 467,102,098,318.16
  5. Step 5: Solve for x
    x = 467,102,098,318.16/699,127.48
  6. Step 6: Final answer
    x = 668,121.50

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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.