Home / 738,254.71-1,106,518.20-338,934.03

Finding the Fourth Proportional to 738,254.71, 1,106,518.20 and 338,934.03

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Solution

The fourth proportional to 738,254.71, 1,106,518.20 and 338,934.03 is: 508,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,254.71 : 1,106,518.20 = 338,934.03 : x
  2. Step 2: Convert to fraction form
    738,254.71/1,106,518.20 = 338,934.03/x
  3. Step 3: Cross multiply
    738,254.71x = 1,106,518.20 × 338,934.03
  4. Step 4: Simplify right side
    738,254.71x = 375,036,672,794.35
  5. Step 5: Solve for x
    x = 375,036,672,794.35/738,254.71
  6. Step 6: Final answer
    x = 508,004.44

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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.