Home / 873,535.23-1,310,359.34-274,521.40

Finding the Fourth Proportional to 873,535.23, 1,310,359.34 and 274,521.40

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Solution

The fourth proportional to 873,535.23, 1,310,359.34 and 274,521.40 is: 411,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,535.23 : 1,310,359.34 = 274,521.40 : x
  2. Step 2: Convert to fraction form
    873,535.23/1,310,359.34 = 274,521.40/x
  3. Step 3: Cross multiply
    873,535.23x = 1,310,359.34 × 274,521.40
  4. Step 4: Simplify right side
    873,535.23x = 359,721,677,930.28
  5. Step 5: Solve for x
    x = 359,721,677,930.28/873,535.23
  6. Step 6: Final answer
    x = 411,799.85

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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.