Home / 884,379.62-1,220,487.14-497,316.85

Finding the Fourth Proportional to 884,379.62, 1,220,487.14 and 497,316.85

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Solution

The fourth proportional to 884,379.62, 1,220,487.14 and 497,316.85 is: 686,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,379.62 : 1,220,487.14 = 497,316.85 : x
  2. Step 2: Convert to fraction form
    884,379.62/1,220,487.14 = 497,316.85/x
  3. Step 3: Cross multiply
    884,379.62x = 1,220,487.14 × 497,316.85
  4. Step 4: Simplify right side
    884,379.62x = 606,968,819,930.31
  5. Step 5: Solve for x
    x = 606,968,819,930.31/884,379.62
  6. Step 6: Final answer
    x = 686,321.58

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1.5x scale

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.