Home / 450,730.74-621,984.78-246,742.57

Finding the Fourth Proportional to 450,730.74, 621,984.78 and 246,742.57

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Solution

The fourth proportional to 450,730.74, 621,984.78 and 246,742.57 is: 340,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,730.74 : 621,984.78 = 246,742.57 : x
  2. Step 2: Convert to fraction form
    450,730.74/621,984.78 = 246,742.57/x
  3. Step 3: Cross multiply
    450,730.74x = 621,984.78 × 246,742.57
  4. Step 4: Simplify right side
    450,730.74x = 153,470,121,563.12
  5. Step 5: Solve for x
    x = 153,470,121,563.12/450,730.74
  6. Step 6: Final answer
    x = 340,491.80

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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.