Home / 970,443.13-1,339,216.83-562,786.67

Finding the Fourth Proportional to 970,443.13, 1,339,216.83 and 562,786.67

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Solution

The fourth proportional to 970,443.13, 1,339,216.83 and 562,786.67 is: 776,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,443.13 : 1,339,216.83 = 562,786.67 : x
  2. Step 2: Convert to fraction form
    970,443.13/1,339,216.83 = 562,786.67/x
  3. Step 3: Cross multiply
    970,443.13x = 1,339,216.83 × 562,786.67
  4. Step 4: Simplify right side
    970,443.13x = 753,693,380,163.66
  5. Step 5: Solve for x
    x = 753,693,380,163.66/970,443.13
  6. Step 6: Final answer
    x = 776,648.68

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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.