Home / 763,339.64-1,053,367.62-423,786.02

Finding the Fourth Proportional to 763,339.64, 1,053,367.62 and 423,786.02

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Solution

The fourth proportional to 763,339.64, 1,053,367.62 and 423,786.02 is: 584,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,339.64 : 1,053,367.62 = 423,786.02 : x
  2. Step 2: Convert to fraction form
    763,339.64/1,053,367.62 = 423,786.02/x
  3. Step 3: Cross multiply
    763,339.64x = 1,053,367.62 × 423,786.02
  4. Step 4: Simplify right side
    763,339.64x = 446,402,471,276.67
  5. Step 5: Solve for x
    x = 446,402,471,276.67/763,339.64
  6. Step 6: Final answer
    x = 584,801.90

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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.