Home / 816,004.84-1,126,064.32-453,419.36

Finding the Fourth Proportional to 816,004.84, 1,126,064.32 and 453,419.36

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Solution

The fourth proportional to 816,004.84, 1,126,064.32 and 453,419.36 is: 625,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,004.84 : 1,126,064.32 = 453,419.36 : x
  2. Step 2: Convert to fraction form
    816,004.84/1,126,064.32 = 453,419.36/x
  3. Step 3: Cross multiply
    816,004.84x = 1,126,064.32 × 453,419.36
  4. Step 4: Simplify right side
    816,004.84x = 510,579,363,293.24
  5. Step 5: Solve for x
    x = 510,579,363,293.24/816,004.84
  6. Step 6: Final answer
    x = 625,706.29

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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.