Home / 969,243.20-1,453,346.40-407,643.20

Finding the Fourth Proportional to 969,243.20, 1,453,346.40 and 407,643.20

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Solution

The fourth proportional to 969,243.20, 1,453,346.40 and 407,643.20 is: 611,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,243.20 : 1,453,346.40 = 407,643.20 : x
  2. Step 2: Convert to fraction form
    969,243.20/1,453,346.40 = 407,643.20/x
  3. Step 3: Cross multiply
    969,243.20x = 1,453,346.40 × 407,643.20
  4. Step 4: Simplify right side
    969,243.20x = 592,446,777,204.48
  5. Step 5: Solve for x
    x = 592,446,777,204.48/969,243.20
  6. Step 6: Final answer
    x = 611,246.77

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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.