Home / 997,976.23-1,377,206.08-539,090.69

Finding the Fourth Proportional to 997,976.23, 1,377,206.08 and 539,090.69

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Solution

The fourth proportional to 997,976.23, 1,377,206.08 and 539,090.69 is: 743,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,976.23 : 1,377,206.08 = 539,090.69 : x
  2. Step 2: Convert to fraction form
    997,976.23/1,377,206.08 = 539,090.69/x
  3. Step 3: Cross multiply
    997,976.23x = 1,377,206.08 × 539,090.69
  4. Step 4: Simplify right side
    997,976.23x = 742,438,975,939.40
  5. Step 5: Solve for x
    x = 742,438,975,939.40/997,976.23
  6. Step 6: Final answer
    x = 743,944.55

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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.