Home / 997,998.30-1,377,237.60-545,289.30

Finding the Fourth Proportional to 997,998.30, 1,377,237.60 and 545,289.30

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Solution

The fourth proportional to 997,998.30, 1,377,237.60 and 545,289.30 is: 752,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,998.30 : 1,377,237.60 = 545,289.30 : x
  2. Step 2: Convert to fraction form
    997,998.30/1,377,237.60 = 545,289.30/x
  3. Step 3: Cross multiply
    997,998.30x = 1,377,237.60 × 545,289.30
  4. Step 4: Simplify right side
    997,998.30x = 750,992,926,837.68
  5. Step 5: Solve for x
    x = 750,992,926,837.68/997,998.30
  6. Step 6: Final answer
    x = 752,499.20

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Double scale
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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.