Home / 907,757.06-1,252,664.31-520,294.72

Finding the Fourth Proportional to 907,757.06, 1,252,664.31 and 520,294.72

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Solution

The fourth proportional to 907,757.06, 1,252,664.31 and 520,294.72 is: 717,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,757.06 : 1,252,664.31 = 520,294.72 : x
  2. Step 2: Convert to fraction form
    907,757.06/1,252,664.31 = 520,294.72/x
  3. Step 3: Cross multiply
    907,757.06x = 1,252,664.31 × 520,294.72
  4. Step 4: Simplify right side
    907,757.06x = 651,754,626,425.44
  5. Step 5: Solve for x
    x = 651,754,626,425.44/907,757.06
  6. Step 6: Final answer
    x = 717,983.54

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1.5x scale

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.