Home / 611,827.77-844,457.36-339,989.13

Finding the Fourth Proportional to 611,827.77, 844,457.36 and 339,989.13

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Solution

The fourth proportional to 611,827.77, 844,457.36 and 339,989.13 is: 469,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,827.77 : 844,457.36 = 339,989.13 : x
  2. Step 2: Convert to fraction form
    611,827.77/844,457.36 = 339,989.13/x
  3. Step 3: Cross multiply
    611,827.77x = 844,457.36 × 339,989.13
  4. Step 4: Simplify right side
    611,827.77x = 287,106,326,692.25
  5. Step 5: Solve for x
    x = 287,106,326,692.25/611,827.77
  6. Step 6: Final answer
    x = 469,260.05

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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.