Home / 859,926.68-1,290,045.14-354,211.58

Finding the Fourth Proportional to 859,926.68, 1,290,045.14 and 354,211.58

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Solution

The fourth proportional to 859,926.68, 1,290,045.14 and 354,211.58 is: 531,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,926.68 : 1,290,045.14 = 354,211.58 : x
  2. Step 2: Convert to fraction form
    859,926.68/1,290,045.14 = 354,211.58/x
  3. Step 3: Cross multiply
    859,926.68x = 1,290,045.14 × 354,211.58
  4. Step 4: Simplify right side
    859,926.68x = 456,948,927,310.72
  5. Step 5: Solve for x
    x = 456,948,927,310.72/859,926.68
  6. Step 6: Final answer
    x = 531,381.27

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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.