Home / 895,820.78-1,236,232.65-493,412.78

Finding the Fourth Proportional to 895,820.78, 1,236,232.65 and 493,412.78

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Solution

The fourth proportional to 895,820.78, 1,236,232.65 and 493,412.78 is: 680,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,820.78 : 1,236,232.65 = 493,412.78 : x
  2. Step 2: Convert to fraction form
    895,820.78/1,236,232.65 = 493,412.78/x
  3. Step 3: Cross multiply
    895,820.78x = 1,236,232.65 × 493,412.78
  4. Step 4: Simplify right side
    895,820.78x = 609,972,988,563.27
  5. Step 5: Solve for x
    x = 609,972,988,563.27/895,820.78
  6. Step 6: Final answer
    x = 680,909.62

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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.