Home / 748,939.60-1,123,298.64-275,514.23

Finding the Fourth Proportional to 748,939.60, 1,123,298.64 and 275,514.23

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Solution

The fourth proportional to 748,939.60, 1,123,298.64 and 275,514.23 is: 413,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,939.60 : 1,123,298.64 = 275,514.23 : x
  2. Step 2: Convert to fraction form
    748,939.60/1,123,298.64 = 275,514.23/x
  3. Step 3: Cross multiply
    748,939.60x = 1,123,298.64 × 275,514.23
  4. Step 4: Simplify right side
    748,939.60x = 309,484,759,859.65
  5. Step 5: Solve for x
    x = 309,484,759,859.65/748,939.60
  6. Step 6: Final answer
    x = 413,230.60

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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.