Home / 675,643.56-1,011,444.86-408,595.88

Finding the Fourth Proportional to 675,643.56, 1,011,444.86 and 408,595.88

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Solution

The fourth proportional to 675,643.56, 1,011,444.86 and 408,595.88 is: 611,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,643.56 : 1,011,444.86 = 408,595.88 : x
  2. Step 2: Convert to fraction form
    675,643.56/1,011,444.86 = 408,595.88/x
  3. Step 3: Cross multiply
    675,643.56x = 1,011,444.86 × 408,595.88
  4. Step 4: Simplify right side
    675,643.56x = 413,272,202,643.18
  5. Step 5: Solve for x
    x = 413,272,202,643.18/675,643.56
  6. Step 6: Final answer
    x = 611,671.93

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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.