Home / 727,018.87-1,090,358.75-277,574.71

Finding the Fourth Proportional to 727,018.87, 1,090,358.75 and 277,574.71

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Solution

The fourth proportional to 727,018.87, 1,090,358.75 and 277,574.71 is: 416,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,018.87 : 1,090,358.75 = 277,574.71 : x
  2. Step 2: Convert to fraction form
    727,018.87/1,090,358.75 = 277,574.71/x
  3. Step 3: Cross multiply
    727,018.87x = 1,090,358.75 × 277,574.71
  4. Step 4: Simplify right side
    727,018.87x = 302,656,012,439.34
  5. Step 5: Solve for x
    x = 302,656,012,439.34/727,018.87
  6. Step 6: Final answer
    x = 416,297.33

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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.