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Finding the Fourth Proportional to 652,669.26, 900,740.58 and 380,824.73

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Solution

The fourth proportional to 652,669.26, 900,740.58 and 380,824.73 is: 525,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,669.26 : 900,740.58 = 380,824.73 : x
  2. Step 2: Convert to fraction form
    652,669.26/900,740.58 = 380,824.73/x
  3. Step 3: Cross multiply
    652,669.26x = 900,740.58 × 380,824.73
  4. Step 4: Simplify right side
    652,669.26x = 343,024,286,274.42
  5. Step 5: Solve for x
    x = 343,024,286,274.42/652,669.26
  6. Step 6: Final answer
    x = 525,571.38

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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.