Home / 772,452.45-1,158,998.76-417,048.75

Finding the Fourth Proportional to 772,452.45, 1,158,998.76 and 417,048.75

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Solution

The fourth proportional to 772,452.45, 1,158,998.76 and 417,048.75 is: 625,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,452.45 : 1,158,998.76 = 417,048.75 : x
  2. Step 2: Convert to fraction form
    772,452.45/1,158,998.76 = 417,048.75/x
  3. Step 3: Cross multiply
    772,452.45x = 1,158,998.76 × 417,048.75
  4. Step 4: Simplify right side
    772,452.45x = 483,358,984,109.55
  5. Step 5: Solve for x
    x = 483,358,984,109.55/772,452.45
  6. Step 6: Final answer
    x = 625,745.94

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1.5x scale

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.