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Finding the Fourth Proportional to 634,013.09, 874,960.49 and 347,533.10

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Solution

The fourth proportional to 634,013.09, 874,960.49 and 347,533.10 is: 479,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,013.09 : 874,960.49 = 347,533.10 : x
  2. Step 2: Convert to fraction form
    634,013.09/874,960.49 = 347,533.10/x
  3. Step 3: Cross multiply
    634,013.09x = 874,960.49 × 347,533.10
  4. Step 4: Simplify right side
    634,013.09x = 304,077,729,729.55
  5. Step 5: Solve for x
    x = 304,077,729,729.55/634,013.09
  6. Step 6: Final answer
    x = 479,607.97

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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.