Home / 857,252.89-1,286,129.02-383,827.53

Finding the Fourth Proportional to 857,252.89, 1,286,129.02 and 383,827.53

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Solution

The fourth proportional to 857,252.89, 1,286,129.02 and 383,827.53 is: 575,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,252.89 : 1,286,129.02 = 383,827.53 : x
  2. Step 2: Convert to fraction form
    857,252.89/1,286,129.02 = 383,827.53/x
  3. Step 3: Cross multiply
    857,252.89x = 1,286,129.02 × 383,827.53
  4. Step 4: Simplify right side
    857,252.89x = 493,651,725,007.92
  5. Step 5: Solve for x
    x = 493,651,725,007.92/857,252.89
  6. Step 6: Final answer
    x = 575,853.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.