Home / 810,126.49-1,214,908.31-450,845.62

Finding the Fourth Proportional to 810,126.49, 1,214,908.31 and 450,845.62

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Solution

The fourth proportional to 810,126.49, 1,214,908.31 and 450,845.62 is: 676,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,126.49 : 1,214,908.31 = 450,845.62 : x
  2. Step 2: Convert to fraction form
    810,126.49/1,214,908.31 = 450,845.62/x
  3. Step 3: Cross multiply
    810,126.49x = 1,214,908.31 × 450,845.62
  4. Step 4: Simplify right side
    810,126.49x = 547,736,090,265.10
  5. Step 5: Solve for x
    x = 547,736,090,265.10/810,126.49
  6. Step 6: Final answer
    x = 676,111.81

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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.