Home / 3,005,308.50-4,508,225.22-761,446.50

Finding the Fourth Proportional to 3,005,308.50, 4,508,225.22 and 761,446.50

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Solution

The fourth proportional to 3,005,308.50, 4,508,225.22 and 761,446.50 is: 1,142,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,308.50 : 4,508,225.22 = 761,446.50 : x
  2. Step 2: Convert to fraction form
    3,005,308.50/4,508,225.22 = 761,446.50/x
  3. Step 3: Cross multiply
    3,005,308.50x = 4,508,225.22 × 761,446.50
  4. Step 4: Simplify right side
    3,005,308.50x = 3,432,772,314,980.73
  5. Step 5: Solve for x
    x = 3,432,772,314,980.73/3,005,308.50
  6. Step 6: Final answer
    x = 1,142,236.25

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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.