Home / 916,659.51-1,264,971.09-508,737.43

Finding the Fourth Proportional to 916,659.51, 1,264,971.09 and 508,737.43

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Solution

The fourth proportional to 916,659.51, 1,264,971.09 and 508,737.43 is: 702,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,659.51 : 1,264,971.09 = 508,737.43 : x
  2. Step 2: Convert to fraction form
    916,659.51/1,264,971.09 = 508,737.43/x
  3. Step 3: Cross multiply
    916,659.51x = 1,264,971.09 × 508,737.43
  4. Step 4: Simplify right side
    916,659.51x = 643,538,141,350.90
  5. Step 5: Solve for x
    x = 643,538,141,350.90/916,659.51
  6. Step 6: Final answer
    x = 702,047.09

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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.