Home / 873,652.60-1,309,961.76-340,551.28

Finding the Fourth Proportional to 873,652.60, 1,309,961.76 and 340,551.28

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Solution

The fourth proportional to 873,652.60, 1,309,961.76 and 340,551.28 is: 510,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,652.60 : 1,309,961.76 = 340,551.28 : x
  2. Step 2: Convert to fraction form
    873,652.60/1,309,961.76 = 340,551.28/x
  3. Step 3: Cross multiply
    873,652.60x = 1,309,961.76 × 340,551.28
  4. Step 4: Simplify right side
    873,652.60x = 446,109,154,119.05
  5. Step 5: Solve for x
    x = 446,109,154,119.05/873,652.60
  6. Step 6: Final answer
    x = 510,625.34

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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.