Home / 581,636.19-802,659.20-326,989.47

Finding the Fourth Proportional to 581,636.19, 802,659.20 and 326,989.47

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Solution

The fourth proportional to 581,636.19, 802,659.20 and 326,989.47 is: 451,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,636.19 : 802,659.20 = 326,989.47 : x
  2. Step 2: Convert to fraction form
    581,636.19/802,659.20 = 326,989.47/x
  3. Step 3: Cross multiply
    581,636.19x = 802,659.20 × 326,989.47
  4. Step 4: Simplify right side
    581,636.19x = 262,461,104,763.68
  5. Step 5: Solve for x
    x = 262,461,104,763.68/581,636.19
  6. Step 6: Final answer
    x = 451,246.17

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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.