Home / 970,443.07-1,339,216.75-562,786.61

Finding the Fourth Proportional to 970,443.07, 1,339,216.75 and 562,786.61

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Solution

The fourth proportional to 970,443.07, 1,339,216.75 and 562,786.61 is: 776,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,443.07 : 1,339,216.75 = 562,786.61 : x
  2. Step 2: Convert to fraction form
    970,443.07/1,339,216.75 = 562,786.61/x
  3. Step 3: Cross multiply
    970,443.07x = 1,339,216.75 × 562,786.61
  4. Step 4: Simplify right side
    970,443.07x = 753,693,256,728.79
  5. Step 5: Solve for x
    x = 753,693,256,728.79/970,443.07
  6. Step 6: Final answer
    x = 776,648.61

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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.