Home / 749,328.49-1,123,467.04-275,953.15

Finding the Fourth Proportional to 749,328.49, 1,123,467.04 and 275,953.15

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Solution

The fourth proportional to 749,328.49, 1,123,467.04 and 275,953.15 is: 413,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,328.49 : 1,123,467.04 = 275,953.15 : x
  2. Step 2: Convert to fraction form
    749,328.49/1,123,467.04 = 275,953.15/x
  3. Step 3: Cross multiply
    749,328.49x = 1,123,467.04 × 275,953.15
  4. Step 4: Simplify right side
    749,328.49x = 310,024,268,609.18
  5. Step 5: Solve for x
    x = 310,024,268,609.18/749,328.49
  6. Step 6: Final answer
    x = 413,736.13

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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.