Home / 896,289.88-1,236,864.09-488,394.58

Finding the Fourth Proportional to 896,289.88, 1,236,864.09 and 488,394.58

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Solution

The fourth proportional to 896,289.88, 1,236,864.09 and 488,394.58 is: 673,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,289.88 : 1,236,864.09 = 488,394.58 : x
  2. Step 2: Convert to fraction form
    896,289.88/1,236,864.09 = 488,394.58/x
  3. Step 3: Cross multiply
    896,289.88x = 1,236,864.09 × 488,394.58
  4. Step 4: Simplify right side
    896,289.88x = 604,077,716,491.95
  5. Step 5: Solve for x
    x = 604,077,716,491.95/896,289.88
  6. Step 6: Final answer
    x = 673,975.83

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1.5x scale

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.