Home / 885,844.16-1,328,976.48-286,805.36

Finding the Fourth Proportional to 885,844.16, 1,328,976.48 and 286,805.36

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Solution

The fourth proportional to 885,844.16, 1,328,976.48 and 286,805.36 is: 430,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,844.16 : 1,328,976.48 = 286,805.36 : x
  2. Step 2: Convert to fraction form
    885,844.16/1,328,976.48 = 286,805.36/x
  3. Step 3: Cross multiply
    885,844.16x = 1,328,976.48 × 286,805.36
  4. Step 4: Simplify right side
    885,844.16x = 381,157,577,777.93
  5. Step 5: Solve for x
    x = 381,157,577,777.93/885,844.16
  6. Step 6: Final answer
    x = 430,276.11

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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.