Home / 942,931.44-1,301,245.28-513,214.64

Finding the Fourth Proportional to 942,931.44, 1,301,245.28 and 513,214.64

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Solution

The fourth proportional to 942,931.44, 1,301,245.28 and 513,214.64 is: 708,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,931.44 : 1,301,245.28 = 513,214.64 : x
  2. Step 2: Convert to fraction form
    942,931.44/1,301,245.28 = 513,214.64/x
  3. Step 3: Cross multiply
    942,931.44x = 1,301,245.28 × 513,214.64
  4. Step 4: Simplify right side
    942,931.44x = 667,818,127,926.90
  5. Step 5: Solve for x
    x = 667,818,127,926.90/942,931.44
  6. Step 6: Final answer
    x = 708,236.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.