Home / 806,644.77-1,210,713.98-407,566.41

Finding the Fourth Proportional to 806,644.77, 1,210,713.98 and 407,566.41

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Solution

The fourth proportional to 806,644.77, 1,210,713.98 and 407,566.41 is: 611,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,644.77 : 1,210,713.98 = 407,566.41 : x
  2. Step 2: Convert to fraction form
    806,644.77/1,210,713.98 = 407,566.41/x
  3. Step 3: Cross multiply
    806,644.77x = 1,210,713.98 × 407,566.41
  4. Step 4: Simplify right side
    806,644.77x = 493,446,348,327.58
  5. Step 5: Solve for x
    x = 493,446,348,327.58/806,644.77
  6. Step 6: Final answer
    x = 611,726.95

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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.