Home / 901,263.83-1,243,747.51-493,403.62

Finding the Fourth Proportional to 901,263.83, 1,243,747.51 and 493,403.62

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Solution

The fourth proportional to 901,263.83, 1,243,747.51 and 493,403.62 is: 680,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,263.83 : 1,243,747.51 = 493,403.62 : x
  2. Step 2: Convert to fraction form
    901,263.83/1,243,747.51 = 493,403.62/x
  3. Step 3: Cross multiply
    901,263.83x = 1,243,747.51 × 493,403.62
  4. Step 4: Simplify right side
    901,263.83x = 613,669,519,457.11
  5. Step 5: Solve for x
    x = 613,669,519,457.11/901,263.83
  6. Step 6: Final answer
    x = 680,898.87

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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.