Home / 884,409.85-1,220,489.64-502,457.59

Finding the Fourth Proportional to 884,409.85, 1,220,489.64 and 502,457.59

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Solution

The fourth proportional to 884,409.85, 1,220,489.64 and 502,457.59 is: 693,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,409.85 : 1,220,489.64 = 502,457.59 : x
  2. Step 2: Convert to fraction form
    884,409.85/1,220,489.64 = 502,457.59/x
  3. Step 3: Cross multiply
    884,409.85x = 1,220,489.64 × 502,457.59
  4. Step 4: Simplify right side
    884,409.85x = 613,244,283,134.37
  5. Step 5: Solve for x
    x = 613,244,283,134.37/884,409.85
  6. Step 6: Final answer
    x = 693,393.77

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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.