Home / 859,926.56-1,290,044.94-354,211.46

Finding the Fourth Proportional to 859,926.56, 1,290,044.94 and 354,211.46

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Solution

The fourth proportional to 859,926.56, 1,290,044.94 and 354,211.46 is: 531,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,926.56 : 1,290,044.94 = 354,211.46 : x
  2. Step 2: Convert to fraction form
    859,926.56/1,290,044.94 = 354,211.46/x
  3. Step 3: Cross multiply
    859,926.56x = 1,290,044.94 × 354,211.46
  4. Step 4: Simplify right side
    859,926.56x = 456,948,701,663.01
  5. Step 5: Solve for x
    x = 456,948,701,663.01/859,926.56
  6. Step 6: Final answer
    x = 531,381.08

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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.