Home / 890,834.08-1,227,744.64-648,733.20

Finding the Fourth Proportional to 890,834.08, 1,227,744.64 and 648,733.20

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Solution

The fourth proportional to 890,834.08, 1,227,744.64 and 648,733.20 is: 894,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,834.08 : 1,227,744.64 = 648,733.20 : x
  2. Step 2: Convert to fraction form
    890,834.08/1,227,744.64 = 648,733.20/x
  3. Step 3: Cross multiply
    890,834.08x = 1,227,744.64 × 648,733.20
  4. Step 4: Simplify right side
    890,834.08x = 796,478,709,090.05
  5. Step 5: Solve for x
    x = 796,478,709,090.05/890,834.08
  6. Step 6: Final answer
    x = 894,081.99

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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.