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Finding the Fourth Proportional to 895,803, 1,236,208.16 and 493,395

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Solution

The fourth proportional to 895,803, 1,236,208.16 and 493,395 is: 680,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,803 : 1,236,208.16 = 493,395 : x
  2. Step 2: Convert to fraction form
    895,803/1,236,208.16 = 493,395/x
  3. Step 3: Cross multiply
    895,803x = 1,236,208.16 × 493,395
  4. Step 4: Simplify right side
    895,803x = 609,938,922,636.23
  5. Step 5: Solve for x
    x = 609,938,922,636.23/895,803
  6. Step 6: Final answer
    x = 680,885.11

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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.