Home / 688,011.66-949,480.08-382,093.14

Finding the Fourth Proportional to 688,011.66, 949,480.08 and 382,093.14

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Solution

The fourth proportional to 688,011.66, 949,480.08 and 382,093.14 is: 527,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,011.66 : 949,480.08 = 382,093.14 : x
  2. Step 2: Convert to fraction form
    688,011.66/949,480.08 = 382,093.14/x
  3. Step 3: Cross multiply
    688,011.66x = 949,480.08 × 382,093.14
  4. Step 4: Simplify right side
    688,011.66x = 362,789,825,134.65
  5. Step 5: Solve for x
    x = 362,789,825,134.65/688,011.66
  6. Step 6: Final answer
    x = 527,301.86

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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.