Home / 914,391.78-1,261,847.32-506,492.28

Finding the Fourth Proportional to 914,391.78, 1,261,847.32 and 506,492.28

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Solution

The fourth proportional to 914,391.78, 1,261,847.32 and 506,492.28 is: 698,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,391.78 : 1,261,847.32 = 506,492.28 : x
  2. Step 2: Convert to fraction form
    914,391.78/1,261,847.32 = 506,492.28/x
  3. Step 3: Cross multiply
    914,391.78x = 1,261,847.32 × 506,492.28
  4. Step 4: Simplify right side
    914,391.78x = 639,115,926,118.69
  5. Step 5: Solve for x
    x = 639,115,926,118.69/914,391.78
  6. Step 6: Final answer
    x = 698,951.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.