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Finding the Fourth Proportional to 690,466.56, 952,725.12 and 634,658.40

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Solution

The fourth proportional to 690,466.56, 952,725.12 and 634,658.40 is: 875,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,466.56 : 952,725.12 = 634,658.40 : x
  2. Step 2: Convert to fraction form
    690,466.56/952,725.12 = 634,658.40/x
  3. Step 3: Cross multiply
    690,466.56x = 952,725.12 × 634,658.40
  4. Step 4: Simplify right side
    690,466.56x = 604,655,000,299.01
  5. Step 5: Solve for x
    x = 604,655,000,299.01/690,466.56
  6. Step 6: Final answer
    x = 875,719.46

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