Home / 896,647.11-1,237,335.78-488,739.98

Finding the Fourth Proportional to 896,647.11, 1,237,335.78 and 488,739.98

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Solution

The fourth proportional to 896,647.11, 1,237,335.78 and 488,739.98 is: 674,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,647.11 : 1,237,335.78 = 488,739.98 : x
  2. Step 2: Convert to fraction form
    896,647.11/1,237,335.78 = 488,739.98/x
  3. Step 3: Cross multiply
    896,647.11x = 1,237,335.78 × 488,739.98
  4. Step 4: Simplify right side
    896,647.11x = 604,735,464,370.48
  5. Step 5: Solve for x
    x = 604,735,464,370.48/896,647.11
  6. Step 6: Final answer
    x = 674,440.88

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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.