Home / 983,135.62-1,474,346.63-343,259.72

Finding the Fourth Proportional to 983,135.62, 1,474,346.63 and 343,259.72

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Solution

The fourth proportional to 983,135.62, 1,474,346.63 and 343,259.72 is: 514,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,135.62 : 1,474,346.63 = 343,259.72 : x
  2. Step 2: Convert to fraction form
    983,135.62/1,474,346.63 = 343,259.72/x
  3. Step 3: Cross multiply
    983,135.62x = 1,474,346.63 × 343,259.72
  4. Step 4: Simplify right side
    983,135.62x = 506,083,808,481.12
  5. Step 5: Solve for x
    x = 506,083,808,481.12/983,135.62
  6. Step 6: Final answer
    x = 514,765.00

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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.