Home / 810,749.88-1,214,938.26-456,455.16

Finding the Fourth Proportional to 810,749.88, 1,214,938.26 and 456,455.16

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Solution

The fourth proportional to 810,749.88, 1,214,938.26 and 456,455.16 is: 684,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,749.88 : 1,214,938.26 = 456,455.16 : x
  2. Step 2: Convert to fraction form
    810,749.88/1,214,938.26 = 456,455.16/x
  3. Step 3: Cross multiply
    810,749.88x = 1,214,938.26 × 456,455.16
  4. Step 4: Simplify right side
    810,749.88x = 554,564,837,858.42
  5. Step 5: Solve for x
    x = 554,564,837,858.42/810,749.88
  6. Step 6: Final answer
    x = 684,014.70

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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.