Home / 649,296.70-973,945.05-538,704.70

Finding the Fourth Proportional to 649,296.70, 973,945.05 and 538,704.70

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Solution

The fourth proportional to 649,296.70, 973,945.05 and 538,704.70 is: 808,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,296.70 : 973,945.05 = 538,704.70 : x
  2. Step 2: Convert to fraction form
    649,296.70/973,945.05 = 538,704.70/x
  3. Step 3: Cross multiply
    649,296.70x = 973,945.05 × 538,704.70
  4. Step 4: Simplify right side
    649,296.70x = 524,668,775,976.74
  5. Step 5: Solve for x
    x = 524,668,775,976.74/649,296.70
  6. Step 6: Final answer
    x = 808,057.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.