Home / 890,901.38-1,336,548.63-259,864.58

Finding the Fourth Proportional to 890,901.38, 1,336,548.63 and 259,864.58

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Solution

The fourth proportional to 890,901.38, 1,336,548.63 and 259,864.58 is: 389,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,901.38 : 1,336,548.63 = 259,864.58 : x
  2. Step 2: Convert to fraction form
    890,901.38/1,336,548.63 = 259,864.58/x
  3. Step 3: Cross multiply
    890,901.38x = 1,336,548.63 × 259,864.58
  4. Step 4: Simplify right side
    890,901.38x = 347,321,648,384.53
  5. Step 5: Solve for x
    x = 347,321,648,384.53/890,901.38
  6. Step 6: Final answer
    x = 389,854.20

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1.5x scale

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.