Home / 825,723.99-1,139,508.67-458,208.67

Finding the Fourth Proportional to 825,723.99, 1,139,508.67 and 458,208.67

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Solution

The fourth proportional to 825,723.99, 1,139,508.67 and 458,208.67 is: 632,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,723.99 : 1,139,508.67 = 458,208.67 : x
  2. Step 2: Convert to fraction form
    825,723.99/1,139,508.67 = 458,208.67/x
  3. Step 3: Cross multiply
    825,723.99x = 1,139,508.67 × 458,208.67
  4. Step 4: Simplify right side
    825,723.99x = 522,132,752,134.17
  5. Step 5: Solve for x
    x = 522,132,752,134.17/825,723.99
  6. Step 6: Final answer
    x = 632,333.27

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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.