Home / 885,871.40-1,328,807.10-325,124.60

Finding the Fourth Proportional to 885,871.40, 1,328,807.10 and 325,124.60

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Solution

The fourth proportional to 885,871.40, 1,328,807.10 and 325,124.60 is: 487,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,871.40 : 1,328,807.10 = 325,124.60 : x
  2. Step 2: Convert to fraction form
    885,871.40/1,328,807.10 = 325,124.60/x
  3. Step 3: Cross multiply
    885,871.40x = 1,328,807.10 × 325,124.60
  4. Step 4: Simplify right side
    885,871.40x = 432,027,876,864.66
  5. Step 5: Solve for x
    x = 432,027,876,864.66/885,871.40
  6. Step 6: Final answer
    x = 487,686.90

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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.