Home / 703,345.11-1,053,749.20-433,002.75

Finding the Fourth Proportional to 703,345.11, 1,053,749.20 and 433,002.75

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Solution

The fourth proportional to 703,345.11, 1,053,749.20 and 433,002.75 is: 648,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,345.11 : 1,053,749.20 = 433,002.75 : x
  2. Step 2: Convert to fraction form
    703,345.11/1,053,749.20 = 433,002.75/x
  3. Step 3: Cross multiply
    703,345.11x = 1,053,749.20 × 433,002.75
  4. Step 4: Simplify right side
    703,345.11x = 456,276,301,410.30
  5. Step 5: Solve for x
    x = 456,276,301,410.30/703,345.11
  6. Step 6: Final answer
    x = 648,723.22

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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.