Home / 645,026.42-967,806.18-325,007.25

Finding the Fourth Proportional to 645,026.42, 967,806.18 and 325,007.25

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Solution

The fourth proportional to 645,026.42, 967,806.18 and 325,007.25 is: 487,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,026.42 : 967,806.18 = 325,007.25 : x
  2. Step 2: Convert to fraction form
    645,026.42/967,806.18 = 325,007.25/x
  3. Step 3: Cross multiply
    645,026.42x = 967,806.18 × 325,007.25
  4. Step 4: Simplify right side
    645,026.42x = 314,544,025,094.81
  5. Step 5: Solve for x
    x = 314,544,025,094.81/645,026.42
  6. Step 6: Final answer
    x = 487,645.18

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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.