Home / 736,778.81-1,105,164.57-636,634.26

Finding the Fourth Proportional to 736,778.81, 1,105,164.57 and 636,634.26

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Solution

The fourth proportional to 736,778.81, 1,105,164.57 and 636,634.26 is: 954,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,778.81 : 1,105,164.57 = 636,634.26 : x
  2. Step 2: Convert to fraction form
    736,778.81/1,105,164.57 = 636,634.26/x
  3. Step 3: Cross multiply
    736,778.81x = 1,105,164.57 × 636,634.26
  4. Step 4: Simplify right side
    736,778.81x = 703,585,628,200.17
  5. Step 5: Solve for x
    x = 703,585,628,200.17/736,778.81
  6. Step 6: Final answer
    x = 954,948.24

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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.