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Finding the Fourth Proportional to 895,212, 1,235,392.56 and 492,804

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Solution

The fourth proportional to 895,212, 1,235,392.56 and 492,804 is: 680,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,212 : 1,235,392.56 = 492,804 : x
  2. Step 2: Convert to fraction form
    895,212/1,235,392.56 = 492,804/x
  3. Step 3: Cross multiply
    895,212x = 1,235,392.56 × 492,804
  4. Step 4: Simplify right side
    895,212x = 608,806,395,138.24
  5. Step 5: Solve for x
    x = 608,806,395,138.24/895,212
  6. Step 6: Final answer
    x = 680,069.52

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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.