Home / 850,997.65-1,174,378.41-463,817.40

Finding the Fourth Proportional to 850,997.65, 1,174,378.41 and 463,817.40

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Solution

The fourth proportional to 850,997.65, 1,174,378.41 and 463,817.40 is: 640,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,997.65 : 1,174,378.41 = 463,817.40 : x
  2. Step 2: Convert to fraction form
    850,997.65/1,174,378.41 = 463,817.40/x
  3. Step 3: Cross multiply
    850,997.65x = 1,174,378.41 × 463,817.40
  4. Step 4: Simplify right side
    850,997.65x = 544,697,140,742.33
  5. Step 5: Solve for x
    x = 544,697,140,742.33/850,997.65
  6. Step 6: Final answer
    x = 640,068.91

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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.