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Finding the Fourth Proportional to 633,551.07, 874,300.47 and 378,902.25

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Solution

The fourth proportional to 633,551.07, 874,300.47 and 378,902.25 is: 522,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,551.07 : 874,300.47 = 378,902.25 : x
  2. Step 2: Convert to fraction form
    633,551.07/874,300.47 = 378,902.25/x
  3. Step 3: Cross multiply
    633,551.07x = 874,300.47 × 378,902.25
  4. Step 4: Simplify right side
    633,551.07x = 331,274,415,259.06
  5. Step 5: Solve for x
    x = 331,274,415,259.06/633,551.07
  6. Step 6: Final answer
    x = 522,885.10

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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.