Home / 907,859.04-1,252,849.22-520,689.41

Finding the Fourth Proportional to 907,859.04, 1,252,849.22 and 520,689.41

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Solution

The fourth proportional to 907,859.04, 1,252,849.22 and 520,689.41 is: 718,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,859.04 : 1,252,849.22 = 520,689.41 : x
  2. Step 2: Convert to fraction form
    907,859.04/1,252,849.22 = 520,689.41/x
  3. Step 3: Cross multiply
    907,859.04x = 1,252,849.22 × 520,689.41
  4. Step 4: Simplify right side
    907,859.04x = 652,345,328,939.99
  5. Step 5: Solve for x
    x = 652,345,328,939.99/907,859.04
  6. Step 6: Final answer
    x = 718,553.55

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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.