Home / 854,650.84-1,280,926.46-479,886.52

Finding the Fourth Proportional to 854,650.84, 1,280,926.46 and 479,886.52

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Solution

The fourth proportional to 854,650.84, 1,280,926.46 and 479,886.52 is: 719,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,650.84 : 1,280,926.46 = 479,886.52 : x
  2. Step 2: Convert to fraction form
    854,650.84/1,280,926.46 = 479,886.52/x
  3. Step 3: Cross multiply
    854,650.84x = 1,280,926.46 × 479,886.52
  4. Step 4: Simplify right side
    854,650.84x = 614,699,341,265.32
  5. Step 5: Solve for x
    x = 614,699,341,265.32/854,650.84
  6. Step 6: Final answer
    x = 719,240.32

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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.