Home / 884,429.88-1,220,556.50-497,367.12

Finding the Fourth Proportional to 884,429.88, 1,220,556.50 and 497,367.12

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Solution

The fourth proportional to 884,429.88, 1,220,556.50 and 497,367.12 is: 686,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,429.88 : 1,220,556.50 = 497,367.12 : x
  2. Step 2: Convert to fraction form
    884,429.88/1,220,556.50 = 497,367.12/x
  3. Step 3: Cross multiply
    884,429.88x = 1,220,556.50 × 497,367.12
  4. Step 4: Simplify right side
    884,429.88x = 607,064,671,202.28
  5. Step 5: Solve for x
    x = 607,064,671,202.28/884,429.88
  6. Step 6: Final answer
    x = 686,390.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.