Home / 884,411.35-1,220,491.71-502,459.09

Finding the Fourth Proportional to 884,411.35, 1,220,491.71 and 502,459.09

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Solution

The fourth proportional to 884,411.35, 1,220,491.71 and 502,459.09 is: 693,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,411.35 : 1,220,491.71 = 502,459.09 : x
  2. Step 2: Convert to fraction form
    884,411.35/1,220,491.71 = 502,459.09/x
  3. Step 3: Cross multiply
    884,411.35x = 1,220,491.71 × 502,459.09
  4. Step 4: Simplify right side
    884,411.35x = 613,247,153,959.14
  5. Step 5: Solve for x
    x = 613,247,153,959.14/884,411.35
  6. Step 6: Final answer
    x = 693,395.84

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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.