Home / 755,088.48-1,131,845.20-306,119.20

Finding the Fourth Proportional to 755,088.48, 1,131,845.20 and 306,119.20

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Solution

The fourth proportional to 755,088.48, 1,131,845.20 and 306,119.20 is: 458,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,088.48 : 1,131,845.20 = 306,119.20 : x
  2. Step 2: Convert to fraction form
    755,088.48/1,131,845.20 = 306,119.20/x
  3. Step 3: Cross multiply
    755,088.48x = 1,131,845.20 × 306,119.20
  4. Step 4: Simplify right side
    755,088.48x = 346,479,547,147.84
  5. Step 5: Solve for x
    x = 346,479,547,147.84/755,088.48
  6. Step 6: Final answer
    x = 458,859.53

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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.