Home / 675,636.56-1,011,434.36-408,588.88

Finding the Fourth Proportional to 675,636.56, 1,011,434.36 and 408,588.88

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Solution

The fourth proportional to 675,636.56, 1,011,434.36 and 408,588.88 is: 611,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,636.56 : 1,011,434.36 = 408,588.88 : x
  2. Step 2: Convert to fraction form
    675,636.56/1,011,434.36 = 408,588.88/x
  3. Step 3: Cross multiply
    675,636.56x = 1,011,434.36 × 408,588.88
  4. Step 4: Simplify right side
    675,636.56x = 413,260,832,345.92
  5. Step 5: Solve for x
    x = 413,260,832,345.92/675,636.56
  6. Step 6: Final answer
    x = 611,661.44

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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.