Home / 727,011.28-1,003,298.67-454,992.22

Finding the Fourth Proportional to 727,011.28, 1,003,298.67 and 454,992.22

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Solution

The fourth proportional to 727,011.28, 1,003,298.67 and 454,992.22 is: 627,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,011.28 : 1,003,298.67 = 454,992.22 : x
  2. Step 2: Convert to fraction form
    727,011.28/1,003,298.67 = 454,992.22/x
  3. Step 3: Cross multiply
    727,011.28x = 1,003,298.67 × 454,992.22
  4. Step 4: Simplify right side
    727,011.28x = 456,493,090,440.47
  5. Step 5: Solve for x
    x = 456,493,090,440.47/727,011.28
  6. Step 6: Final answer
    x = 627,903.72

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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.