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Finding the Fourth Proportional to 634,642.24, 952,896.48 and 261,394.24

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Solution

The fourth proportional to 634,642.24, 952,896.48 and 261,394.24 is: 392,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,642.24 : 952,896.48 = 261,394.24 : x
  2. Step 2: Convert to fraction form
    634,642.24/952,896.48 = 261,394.24/x
  3. Step 3: Cross multiply
    634,642.24x = 952,896.48 × 261,394.24
  4. Step 4: Simplify right side
    634,642.24x = 249,081,651,188.28
  5. Step 5: Solve for x
    x = 249,081,651,188.28/634,642.24
  6. Step 6: Final answer
    x = 392,475.69

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1.5x scale

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.