Home / 916,658.51-1,264,969.71-508,736.43

Finding the Fourth Proportional to 916,658.51, 1,264,969.71 and 508,736.43

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Solution

The fourth proportional to 916,658.51, 1,264,969.71 and 508,736.43 is: 702,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,658.51 : 1,264,969.71 = 508,736.43 : x
  2. Step 2: Convert to fraction form
    916,658.51/1,264,969.71 = 508,736.43/x
  3. Step 3: Cross multiply
    916,658.51x = 1,264,969.71 × 508,736.43
  4. Step 4: Simplify right side
    916,658.51x = 643,536,174,323.54
  5. Step 5: Solve for x
    x = 643,536,174,323.54/916,658.51
  6. Step 6: Final answer
    x = 702,045.71

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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.