Home / 684,673.13-1,027,103.15-285,220.47

Finding the Fourth Proportional to 684,673.13, 1,027,103.15 and 285,220.47

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Solution

The fourth proportional to 684,673.13, 1,027,103.15 and 285,220.47 is: 427,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,673.13 : 1,027,103.15 = 285,220.47 : x
  2. Step 2: Convert to fraction form
    684,673.13/1,027,103.15 = 285,220.47/x
  3. Step 3: Cross multiply
    684,673.13x = 1,027,103.15 × 285,220.47
  4. Step 4: Simplify right side
    684,673.13x = 292,950,838,973.32
  5. Step 5: Solve for x
    x = 292,950,838,973.32/684,673.13
  6. Step 6: Final answer
    x = 427,869.63

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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.