Home / 808,427.28-1,211,563.38-382,076.30

Finding the Fourth Proportional to 808,427.28, 1,211,563.38 and 382,076.30

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Solution

The fourth proportional to 808,427.28, 1,211,563.38 and 382,076.30 is: 572,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,427.28 : 1,211,563.38 = 382,076.30 : x
  2. Step 2: Convert to fraction form
    808,427.28/1,211,563.38 = 382,076.30/x
  3. Step 3: Cross multiply
    808,427.28x = 1,211,563.38 × 382,076.30
  4. Step 4: Simplify right side
    808,427.28x = 462,909,653,445.89
  5. Step 5: Solve for x
    x = 462,909,653,445.89/808,427.28
  6. Step 6: Final answer
    x = 572,605.19

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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.