Home / 987,281.78-1,480,980.07-277,365.18

Finding the Fourth Proportional to 987,281.78, 1,480,980.07 and 277,365.18

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Solution

The fourth proportional to 987,281.78, 1,480,980.07 and 277,365.18 is: 416,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,281.78 : 1,480,980.07 = 277,365.18 : x
  2. Step 2: Convert to fraction form
    987,281.78/1,480,980.07 = 277,365.18/x
  3. Step 3: Cross multiply
    987,281.78x = 1,480,980.07 × 277,365.18
  4. Step 4: Simplify right side
    987,281.78x = 410,772,303,691.96
  5. Step 5: Solve for x
    x = 410,772,303,691.96/987,281.78
  6. Step 6: Final answer
    x = 416,063.90

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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.