Home / 830,456.80-1,245,422.76-297,965.92

Finding the Fourth Proportional to 830,456.80, 1,245,422.76 and 297,965.92

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Solution

The fourth proportional to 830,456.80, 1,245,422.76 and 297,965.92 is: 446,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,456.80 : 1,245,422.76 = 297,965.92 : x
  2. Step 2: Convert to fraction form
    830,456.80/1,245,422.76 = 297,965.92/x
  3. Step 3: Cross multiply
    830,456.80x = 1,245,422.76 × 297,965.92
  4. Step 4: Simplify right side
    830,456.80x = 371,093,538,472.34
  5. Step 5: Solve for x
    x = 371,093,538,472.34/830,456.80
  6. Step 6: Final answer
    x = 446,854.72

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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.