Home / 854,865.09-1,281,823.65-349,780.41

Finding the Fourth Proportional to 854,865.09, 1,281,823.65 and 349,780.41

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Solution

The fourth proportional to 854,865.09, 1,281,823.65 and 349,780.41 is: 524,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,865.09 : 1,281,823.65 = 349,780.41 : x
  2. Step 2: Convert to fraction form
    854,865.09/1,281,823.65 = 349,780.41/x
  3. Step 3: Cross multiply
    854,865.09x = 1,281,823.65 × 349,780.41
  4. Step 4: Simplify right side
    854,865.09x = 448,356,801,844.70
  5. Step 5: Solve for x
    x = 448,356,801,844.70/854,865.09
  6. Step 6: Final answer
    x = 524,476.68

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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.