Home / 538,848.60-808,272.90-405,004.20

Finding the Fourth Proportional to 538,848.60, 808,272.90 and 405,004.20

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Solution

The fourth proportional to 538,848.60, 808,272.90 and 405,004.20 is: 607,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,848.60 : 808,272.90 = 405,004.20 : x
  2. Step 2: Convert to fraction form
    538,848.60/808,272.90 = 405,004.20/x
  3. Step 3: Cross multiply
    538,848.60x = 808,272.90 × 405,004.20
  4. Step 4: Simplify right side
    538,848.60x = 327,353,919,246.18
  5. Step 5: Solve for x
    x = 327,353,919,246.18/538,848.60
  6. Step 6: Final answer
    x = 607,506.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.