Home / 581,628.10-802,638.94-326,979.22

Finding the Fourth Proportional to 581,628.10, 802,638.94 and 326,979.22

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Solution

The fourth proportional to 581,628.10, 802,638.94 and 326,979.22 is: 451,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,628.10 : 802,638.94 = 326,979.22 : x
  2. Step 2: Convert to fraction form
    581,628.10/802,638.94 = 326,979.22/x
  3. Step 3: Cross multiply
    581,628.10x = 802,638.94 × 326,979.22
  4. Step 4: Simplify right side
    581,628.10x = 262,446,254,542.83
  5. Step 5: Solve for x
    x = 262,446,254,542.83/581,628.10
  6. Step 6: Final answer
    x = 451,226.92

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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.