Home / 581,638.31-802,649.35-323,509.70

Finding the Fourth Proportional to 581,638.31, 802,649.35 and 323,509.70

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Solution

The fourth proportional to 581,638.31, 802,649.35 and 323,509.70 is: 446,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,638.31 : 802,649.35 = 323,509.70 : x
  2. Step 2: Convert to fraction form
    581,638.31/802,649.35 = 323,509.70/x
  3. Step 3: Cross multiply
    581,638.31x = 802,649.35 × 323,509.70
  4. Step 4: Simplify right side
    581,638.31x = 259,664,848,319.80
  5. Step 5: Solve for x
    x = 259,664,848,319.80/581,638.31
  6. Step 6: Final answer
    x = 446,436.98

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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.