Home / 763,235.52-1,053,212.24-423,676.96

Finding the Fourth Proportional to 763,235.52, 1,053,212.24 and 423,676.96

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Solution

The fourth proportional to 763,235.52, 1,053,212.24 and 423,676.96 is: 584,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,235.52 : 1,053,212.24 = 423,676.96 : x
  2. Step 2: Convert to fraction form
    763,235.52/1,053,212.24 = 423,676.96/x
  3. Step 3: Cross multiply
    763,235.52x = 1,053,212.24 × 423,676.96
  4. Step 4: Simplify right side
    763,235.52x = 446,221,760,077.99
  5. Step 5: Solve for x
    x = 446,221,760,077.99/763,235.52
  6. Step 6: Final answer
    x = 584,644.91

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1.5x scale

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.