Home / 916,634.80-1,264,937.02-508,712.96

Finding the Fourth Proportional to 916,634.80, 1,264,937.02 and 508,712.96

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Solution

The fourth proportional to 916,634.80, 1,264,937.02 and 508,712.96 is: 702,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,634.80 : 1,264,937.02 = 508,712.96 : x
  2. Step 2: Convert to fraction form
    916,634.80/1,264,937.02 = 508,712.96/x
  3. Step 3: Cross multiply
    916,634.80x = 1,264,937.02 × 508,712.96
  4. Step 4: Simplify right side
    916,634.80x = 643,489,855,657.78
  5. Step 5: Solve for x
    x = 643,489,855,657.78/916,634.80
  6. Step 6: Final answer
    x = 702,013.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.