Home / 885,838.66-1,328,968.23-286,799.86

Finding the Fourth Proportional to 885,838.66, 1,328,968.23 and 286,799.86

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Solution

The fourth proportional to 885,838.66, 1,328,968.23 and 286,799.86 is: 430,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,838.66 : 1,328,968.23 = 286,799.86 : x
  2. Step 2: Convert to fraction form
    885,838.66/1,328,968.23 = 286,799.86/x
  3. Step 3: Cross multiply
    885,838.66x = 1,328,968.23 × 286,799.86
  4. Step 4: Simplify right side
    885,838.66x = 381,147,902,308.45
  5. Step 5: Solve for x
    x = 381,147,902,308.45/885,838.66
  6. Step 6: Final answer
    x = 430,267.86

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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.