Home / 748,338.71-1,122,950.93-275,356.22

Finding the Fourth Proportional to 748,338.71, 1,122,950.93 and 275,356.22

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Solution

The fourth proportional to 748,338.71, 1,122,950.93 and 275,356.22 is: 413,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,338.71 : 1,122,950.93 = 275,356.22 : x
  2. Step 2: Convert to fraction form
    748,338.71/1,122,950.93 = 275,356.22/x
  3. Step 3: Cross multiply
    748,338.71x = 1,122,950.93 × 275,356.22
  4. Step 4: Simplify right side
    748,338.71x = 309,211,523,330.29
  5. Step 5: Solve for x
    x = 309,211,523,330.29/748,338.71
  6. Step 6: Final answer
    x = 413,197.29

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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.