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Finding the Fourth Proportional to 895,788, 1,236,187.44 and 493,380

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Solution

The fourth proportional to 895,788, 1,236,187.44 and 493,380 is: 680,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,788 : 1,236,187.44 = 493,380 : x
  2. Step 2: Convert to fraction form
    895,788/1,236,187.44 = 493,380/x
  3. Step 3: Cross multiply
    895,788x = 1,236,187.44 × 493,380
  4. Step 4: Simplify right side
    895,788x = 609,910,159,147.20
  5. Step 5: Solve for x
    x = 609,910,159,147.20/895,788
  6. Step 6: Final answer
    x = 680,864.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.