Home / 738,000.80-1,106,677.20-338,508.80

Finding the Fourth Proportional to 738,000.80, 1,106,677.20 and 338,508.80

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Solution

The fourth proportional to 738,000.80, 1,106,677.20 and 338,508.80 is: 507,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,000.80 : 1,106,677.20 = 338,508.80 : x
  2. Step 2: Convert to fraction form
    738,000.80/1,106,677.20 = 338,508.80/x
  3. Step 3: Cross multiply
    738,000.80x = 1,106,677.20 × 338,508.80
  4. Step 4: Simplify right side
    738,000.80x = 374,619,970,959.36
  5. Step 5: Solve for x
    x = 374,619,970,959.36/738,000.80
  6. Step 6: Final answer
    x = 507,614.59

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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.