Home / 581,304.20-802,220.10-326,650.28

Finding the Fourth Proportional to 581,304.20, 802,220.10 and 326,650.28

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Solution

The fourth proportional to 581,304.20, 802,220.10 and 326,650.28 is: 450,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,304.20 : 802,220.10 = 326,650.28 : x
  2. Step 2: Convert to fraction form
    581,304.20/802,220.10 = 326,650.28/x
  3. Step 3: Cross multiply
    581,304.20x = 802,220.10 × 326,650.28
  4. Step 4: Simplify right side
    581,304.20x = 262,045,420,286.63
  5. Step 5: Solve for x
    x = 262,045,420,286.63/581,304.20
  6. Step 6: Final answer
    x = 450,788.80

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Double scale
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Similar ratio
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1.5x scale

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.