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Finding the Fourth Proportional to 637,422.56, 880,433.05 and 462,713.93

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Solution

The fourth proportional to 637,422.56, 880,433.05 and 462,713.93 is: 639,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,422.56 : 880,433.05 = 462,713.93 : x
  2. Step 2: Convert to fraction form
    637,422.56/880,433.05 = 462,713.93/x
  3. Step 3: Cross multiply
    637,422.56x = 880,433.05 × 462,713.93
  4. Step 4: Simplify right side
    637,422.56x = 407,388,636,145.24
  5. Step 5: Solve for x
    x = 407,388,636,145.24/637,422.56
  6. Step 6: Final answer
    x = 639,118.63

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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.