Home / 749,114.37-1,123,783.43-275,763.74

Finding the Fourth Proportional to 749,114.37, 1,123,783.43 and 275,763.74

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Solution

The fourth proportional to 749,114.37, 1,123,783.43 and 275,763.74 is: 413,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,114.37 : 1,123,783.43 = 275,763.74 : x
  2. Step 2: Convert to fraction form
    749,114.37/1,123,783.43 = 275,763.74/x
  3. Step 3: Cross multiply
    749,114.37x = 1,123,783.43 × 275,763.74
  4. Step 4: Simplify right side
    749,114.37x = 309,898,714,609.09
  5. Step 5: Solve for x
    x = 309,898,714,609.09/749,114.37
  6. Step 6: Final answer
    x = 413,686.78

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Double scale
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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.