Home / 916,505.91-1,264,871.52-508,610.55

Finding the Fourth Proportional to 916,505.91, 1,264,871.52 and 508,610.55

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Solution

The fourth proportional to 916,505.91, 1,264,871.52 and 508,610.55 is: 701,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,505.91 : 1,264,871.52 = 508,610.55 : x
  2. Step 2: Convert to fraction form
    916,505.91/1,264,871.52 = 508,610.55/x
  3. Step 3: Cross multiply
    916,505.91x = 1,264,871.52 × 508,610.55
  4. Step 4: Simplify right side
    916,505.91x = 643,326,999,466.54
  5. Step 5: Solve for x
    x = 643,326,999,466.54/916,505.91
  6. Step 6: Final answer
    x = 701,934.37

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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.