Home / 581,305.20-802,221.48-326,651.28

Finding the Fourth Proportional to 581,305.20, 802,221.48 and 326,651.28

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Solution

The fourth proportional to 581,305.20, 802,221.48 and 326,651.28 is: 450,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,305.20 : 802,221.48 = 326,651.28 : x
  2. Step 2: Convert to fraction form
    581,305.20/802,221.48 = 326,651.28/x
  3. Step 3: Cross multiply
    581,305.20x = 802,221.48 × 326,651.28
  4. Step 4: Simplify right side
    581,305.20x = 262,046,673,285.49
  5. Step 5: Solve for x
    x = 262,046,673,285.49/581,305.20
  6. Step 6: Final answer
    x = 450,790.18

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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.