Home / 821,269.08-1,133,343.90-453,745.68

Finding the Fourth Proportional to 821,269.08, 1,133,343.90 and 453,745.68

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Solution

The fourth proportional to 821,269.08, 1,133,343.90 and 453,745.68 is: 626,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,269.08 : 1,133,343.90 = 453,745.68 : x
  2. Step 2: Convert to fraction form
    821,269.08/1,133,343.90 = 453,745.68/x
  3. Step 3: Cross multiply
    821,269.08x = 1,133,343.90 × 453,745.68
  4. Step 4: Simplify right side
    821,269.08x = 514,249,898,579.35
  5. Step 5: Solve for x
    x = 514,249,898,579.35/821,269.08
  6. Step 6: Final answer
    x = 626,164.93

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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.