Home / 907,756.06-1,252,662.94-520,293.72

Finding the Fourth Proportional to 907,756.06, 1,252,662.94 and 520,293.72

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Solution

The fourth proportional to 907,756.06, 1,252,662.94 and 520,293.72 is: 717,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,756.06 : 1,252,662.94 = 520,293.72 : x
  2. Step 2: Convert to fraction form
    907,756.06/1,252,662.94 = 520,293.72/x
  3. Step 3: Cross multiply
    907,756.06x = 1,252,662.94 × 520,293.72
  4. Step 4: Simplify right side
    907,756.06x = 651,752,652,093.95
  5. Step 5: Solve for x
    x = 651,752,652,093.95/907,756.06
  6. Step 6: Final answer
    x = 717,982.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.