Home / 769,695.68-1,061,492.28-483,242.48

Finding the Fourth Proportional to 769,695.68, 1,061,492.28 and 483,242.48

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Solution

The fourth proportional to 769,695.68, 1,061,492.28 and 483,242.48 is: 666,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,695.68 : 1,061,492.28 = 483,242.48 : x
  2. Step 2: Convert to fraction form
    769,695.68/1,061,492.28 = 483,242.48/x
  3. Step 3: Cross multiply
    769,695.68x = 1,061,492.28 × 483,242.48
  4. Step 4: Simplify right side
    769,695.68x = 512,958,161,888.05
  5. Step 5: Solve for x
    x = 512,958,161,888.05/769,695.68
  6. Step 6: Final answer
    x = 666,442.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.