Home / 803,832.39-1,109,808.32-498,233.76

Finding the Fourth Proportional to 803,832.39, 1,109,808.32 and 498,233.76

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Solution

The fourth proportional to 803,832.39, 1,109,808.32 and 498,233.76 is: 687,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,832.39 : 1,109,808.32 = 498,233.76 : x
  2. Step 2: Convert to fraction form
    803,832.39/1,109,808.32 = 498,233.76/x
  3. Step 3: Cross multiply
    803,832.39x = 1,109,808.32 × 498,233.76
  4. Step 4: Simplify right side
    803,832.39x = 552,943,969,661.71
  5. Step 5: Solve for x
    x = 552,943,969,661.71/803,832.39
  6. Step 6: Final answer
    x = 687,884.66

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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.