Home / 803,233.36-1,204,210.64-398,140.48

Finding the Fourth Proportional to 803,233.36, 1,204,210.64 and 398,140.48

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Solution

The fourth proportional to 803,233.36, 1,204,210.64 and 398,140.48 is: 596,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,233.36 : 1,204,210.64 = 398,140.48 : x
  2. Step 2: Convert to fraction form
    803,233.36/1,204,210.64 = 398,140.48/x
  3. Step 3: Cross multiply
    803,233.36x = 1,204,210.64 × 398,140.48
  4. Step 4: Simplify right side
    803,233.36x = 479,445,002,230.71
  5. Step 5: Solve for x
    x = 479,445,002,230.71/803,233.36
  6. Step 6: Final answer
    x = 596,893.79

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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.