Home / 905,845.10-1,250,081.78-497,964.15

Finding the Fourth Proportional to 905,845.10, 1,250,081.78 and 497,964.15

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Solution

The fourth proportional to 905,845.10, 1,250,081.78 and 497,964.15 is: 687,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,845.10 : 1,250,081.78 = 497,964.15 : x
  2. Step 2: Convert to fraction form
    905,845.10/1,250,081.78 = 497,964.15/x
  3. Step 3: Cross multiply
    905,845.10x = 1,250,081.78 × 497,964.15
  4. Step 4: Simplify right side
    905,845.10x = 622,495,908,518.37
  5. Step 5: Solve for x
    x = 622,495,908,518.37/905,845.10
  6. Step 6: Final answer
    x = 687,199.07

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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.