Home / 917,960.45-1,266,991.07-510,205.23

Finding the Fourth Proportional to 917,960.45, 1,266,991.07 and 510,205.23

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Solution

The fourth proportional to 917,960.45, 1,266,991.07 and 510,205.23 is: 704,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,960.45 : 1,266,991.07 = 510,205.23 : x
  2. Step 2: Convert to fraction form
    917,960.45/1,266,991.07 = 510,205.23/x
  3. Step 3: Cross multiply
    917,960.45x = 1,266,991.07 × 510,205.23
  4. Step 4: Simplify right side
    917,960.45x = 646,425,467,726.27
  5. Step 5: Solve for x
    x = 646,425,467,726.27/917,960.45
  6. Step 6: Final answer
    x = 704,197.52

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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.