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Finding the Fourth Proportional to 510,180.53, 705,020.15 and 382,634.69

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Solution

The fourth proportional to 510,180.53, 705,020.15 and 382,634.69 is: 528,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,180.53 : 705,020.15 = 382,634.69 : x
  2. Step 2: Convert to fraction form
    510,180.53/705,020.15 = 382,634.69/x
  3. Step 3: Cross multiply
    510,180.53x = 705,020.15 × 382,634.69
  4. Step 4: Simplify right side
    510,180.53x = 269,765,163,970.49
  5. Step 5: Solve for x
    x = 269,765,163,970.49/510,180.53
  6. Step 6: Final answer
    x = 528,764.13

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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.