Home / 884,985.65-1,327,486.15-285,946.88

Finding the Fourth Proportional to 884,985.65, 1,327,486.15 and 285,946.88

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Solution

The fourth proportional to 884,985.65, 1,327,486.15 and 285,946.88 is: 428,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,985.65 : 1,327,486.15 = 285,946.88 : x
  2. Step 2: Convert to fraction form
    884,985.65/1,327,486.15 = 285,946.88/x
  3. Step 3: Cross multiply
    884,985.65x = 1,327,486.15 × 285,946.88
  4. Step 4: Simplify right side
    884,985.65x = 379,590,516,555.72
  5. Step 5: Solve for x
    x = 379,590,516,555.72/884,985.65
  6. Step 6: Final answer
    x = 428,922.79

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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.