Home / 672,988.77-1,009,673.82-273,915.90

Finding the Fourth Proportional to 672,988.77, 1,009,673.82 and 273,915.90

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Solution

The fourth proportional to 672,988.77, 1,009,673.82 and 273,915.90 is: 410,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,988.77 : 1,009,673.82 = 273,915.90 : x
  2. Step 2: Convert to fraction form
    672,988.77/1,009,673.82 = 273,915.90/x
  3. Step 3: Cross multiply
    672,988.77x = 1,009,673.82 × 273,915.90
  4. Step 4: Simplify right side
    672,988.77x = 276,565,713,111.74
  5. Step 5: Solve for x
    x = 276,565,713,111.74/672,988.77
  6. Step 6: Final answer
    x = 410,951.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.