Home / 415,439.20-573,303.18-245,669.68

Finding the Fourth Proportional to 415,439.20, 573,303.18 and 245,669.68

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Solution

The fourth proportional to 415,439.20, 573,303.18 and 245,669.68 is: 339,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,439.20 : 573,303.18 = 245,669.68 : x
  2. Step 2: Convert to fraction form
    415,439.20/573,303.18 = 245,669.68/x
  3. Step 3: Cross multiply
    415,439.20x = 573,303.18 × 245,669.68
  4. Step 4: Simplify right side
    415,439.20x = 140,843,208,773.58
  5. Step 5: Solve for x
    x = 140,843,208,773.58/415,439.20
  6. Step 6: Final answer
    x = 339,022.43

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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.