Home / 675,854.18-1,013,239.98-338,721.77

Finding the Fourth Proportional to 675,854.18, 1,013,239.98 and 338,721.77

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Solution

The fourth proportional to 675,854.18, 1,013,239.98 and 338,721.77 is: 507,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,854.18 : 1,013,239.98 = 338,721.77 : x
  2. Step 2: Convert to fraction form
    675,854.18/1,013,239.98 = 338,721.77/x
  3. Step 3: Cross multiply
    675,854.18x = 1,013,239.98 × 338,721.77
  4. Step 4: Simplify right side
    675,854.18x = 343,206,439,460.37
  5. Step 5: Solve for x
    x = 343,206,439,460.37/675,854.18
  6. Step 6: Final answer
    x = 507,811.37

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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.