Home / 461,471.04-636,789.60-257,506.56

Finding the Fourth Proportional to 461,471.04, 636,789.60 and 257,506.56

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Solution

The fourth proportional to 461,471.04, 636,789.60 and 257,506.56 is: 355,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,471.04 : 636,789.60 = 257,506.56 : x
  2. Step 2: Convert to fraction form
    461,471.04/636,789.60 = 257,506.56/x
  3. Step 3: Cross multiply
    461,471.04x = 636,789.60 × 257,506.56
  4. Step 4: Simplify right side
    461,471.04x = 163,977,499,339.78
  5. Step 5: Solve for x
    x = 163,977,499,339.78/461,471.04
  6. Step 6: Final answer
    x = 355,336.49

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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.