Home / 675,853.68-1,013,239.23-338,721.27

Finding the Fourth Proportional to 675,853.68, 1,013,239.23 and 338,721.27

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Solution

The fourth proportional to 675,853.68, 1,013,239.23 and 338,721.27 is: 507,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,853.68 : 1,013,239.23 = 338,721.27 : x
  2. Step 2: Convert to fraction form
    675,853.68/1,013,239.23 = 338,721.27/x
  3. Step 3: Cross multiply
    675,853.68x = 1,013,239.23 × 338,721.27
  4. Step 4: Simplify right side
    675,853.68x = 343,205,678,799.42
  5. Step 5: Solve for x
    x = 343,205,678,799.42/675,853.68
  6. Step 6: Final answer
    x = 507,810.62

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1.5x scale

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.