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Finding the Fourth Proportional to 634,666.16, 952,248.18 and 279,431

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Solution

The fourth proportional to 634,666.16, 952,248.18 and 279,431 is: 419,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,666.16 : 952,248.18 = 279,431 : x
  2. Step 2: Convert to fraction form
    634,666.16/952,248.18 = 279,431/x
  3. Step 3: Cross multiply
    634,666.16x = 952,248.18 × 279,431
  4. Step 4: Simplify right side
    634,666.16x = 266,087,661,185.58
  5. Step 5: Solve for x
    x = 266,087,661,185.58/634,666.16
  6. Step 6: Final answer
    x = 419,256.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.