Home / 884,722.37-1,220,905.22-497,537.68

Finding the Fourth Proportional to 884,722.37, 1,220,905.22 and 497,537.68

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Solution

The fourth proportional to 884,722.37, 1,220,905.22 and 497,537.68 is: 686,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,722.37 : 1,220,905.22 = 497,537.68 : x
  2. Step 2: Convert to fraction form
    884,722.37/1,220,905.22 = 497,537.68/x
  3. Step 3: Cross multiply
    884,722.37x = 1,220,905.22 × 497,537.68
  4. Step 4: Simplify right side
    884,722.37x = 607,446,346,390.68
  5. Step 5: Solve for x
    x = 607,446,346,390.68/884,722.37
  6. Step 6: Final answer
    x = 686,595.44

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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.