Home / 896,394.16-1,236,987.96-488,487.31

Finding the Fourth Proportional to 896,394.16, 1,236,987.96 and 488,487.31

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Solution

The fourth proportional to 896,394.16, 1,236,987.96 and 488,487.31 is: 674,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,394.16 : 1,236,987.96 = 488,487.31 : x
  2. Step 2: Convert to fraction form
    896,394.16/1,236,987.96 = 488,487.31/x
  3. Step 3: Cross multiply
    896,394.16x = 1,236,987.96 × 488,487.31
  4. Step 4: Simplify right side
    896,394.16x = 604,252,916,158.49
  5. Step 5: Solve for x
    x = 604,252,916,158.49/896,394.16
  6. Step 6: Final answer
    x = 674,092.87

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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.