Home / 916,634.82-1,264,937.02-508,712.94

Finding the Fourth Proportional to 916,634.82, 1,264,937.02 and 508,712.94

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Solution

The fourth proportional to 916,634.82, 1,264,937.02 and 508,712.94 is: 702,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,634.82 : 1,264,937.02 = 508,712.94 : x
  2. Step 2: Convert to fraction form
    916,634.82/1,264,937.02 = 508,712.94/x
  3. Step 3: Cross multiply
    916,634.82x = 1,264,937.02 × 508,712.94
  4. Step 4: Simplify right side
    916,634.82x = 643,489,830,359.04
  5. Step 5: Solve for x
    x = 643,489,830,359.04/916,634.82
  6. Step 6: Final answer
    x = 702,013.30

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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.