Home / 987,910.64-1,480,291.32-632,632.40

Finding the Fourth Proportional to 987,910.64, 1,480,291.32 and 632,632.40

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Solution

The fourth proportional to 987,910.64, 1,480,291.32 and 632,632.40 is: 947,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,910.64 : 1,480,291.32 = 632,632.40 : x
  2. Step 2: Convert to fraction form
    987,910.64/1,480,291.32 = 632,632.40/x
  3. Step 3: Cross multiply
    987,910.64x = 1,480,291.32 × 632,632.40
  4. Step 4: Simplify right side
    987,910.64x = 936,480,250,470.77
  5. Step 5: Solve for x
    x = 936,480,250,470.77/987,910.64
  6. Step 6: Final answer
    x = 947,940.24

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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.