Home / 914,892.10-1,262,578.77-506,955.78

Finding the Fourth Proportional to 914,892.10, 1,262,578.77 and 506,955.78

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Solution

The fourth proportional to 914,892.10, 1,262,578.77 and 506,955.78 is: 699,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,892.10 : 1,262,578.77 = 506,955.78 : x
  2. Step 2: Convert to fraction form
    914,892.10/1,262,578.77 = 506,955.78/x
  3. Step 3: Cross multiply
    914,892.10x = 1,262,578.77 × 506,955.78
  4. Step 4: Simplify right side
    914,892.10x = 640,071,605,156.79
  5. Step 5: Solve for x
    x = 640,071,605,156.79/914,892.10
  6. Step 6: Final answer
    x = 699,614.31

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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.