Home / 885,267.80-1,326,152.10-485,192.60

Finding the Fourth Proportional to 885,267.80, 1,326,152.10 and 485,192.60

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Solution

The fourth proportional to 885,267.80, 1,326,152.10 and 485,192.60 is: 726,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,267.80 : 1,326,152.10 = 485,192.60 : x
  2. Step 2: Convert to fraction form
    885,267.80/1,326,152.10 = 485,192.60/x
  3. Step 3: Cross multiply
    885,267.80x = 1,326,152.10 × 485,192.60
  4. Step 4: Simplify right side
    885,267.80x = 643,439,185,394.46
  5. Step 5: Solve for x
    x = 643,439,185,394.46/885,267.80
  6. Step 6: Final answer
    x = 726,829.99

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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.