Home / 885,503.57-1,328,963.09-459,160.88

Finding the Fourth Proportional to 885,503.57, 1,328,963.09 and 459,160.88

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Solution

The fourth proportional to 885,503.57, 1,328,963.09 and 459,160.88 is: 689,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,503.57 : 1,328,963.09 = 459,160.88 : x
  2. Step 2: Convert to fraction form
    885,503.57/1,328,963.09 = 459,160.88/x
  3. Step 3: Cross multiply
    885,503.57x = 1,328,963.09 × 459,160.88
  4. Step 4: Simplify right side
    885,503.57x = 610,207,852,951.30
  5. Step 5: Solve for x
    x = 610,207,852,951.30/885,503.57
  6. Step 6: Final answer
    x = 689,108.30

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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.