Home / 664,514.60-997,756.05-514,923.80

Finding the Fourth Proportional to 664,514.60, 997,756.05 and 514,923.80

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Solution

The fourth proportional to 664,514.60, 997,756.05 and 514,923.80 is: 773,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,514.60 : 997,756.05 = 514,923.80 : x
  2. Step 2: Convert to fraction form
    664,514.60/997,756.05 = 514,923.80/x
  3. Step 3: Cross multiply
    664,514.60x = 997,756.05 × 514,923.80
  4. Step 4: Simplify right side
    664,514.60x = 513,768,336,738.99
  5. Step 5: Solve for x
    x = 513,768,336,738.99/664,514.60
  6. Step 6: Final answer
    x = 773,148.31

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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.