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Finding the Fourth Proportional to 636,040.82, 877,746.57 and 364,107.62

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Solution

The fourth proportional to 636,040.82, 877,746.57 and 364,107.62 is: 502,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,040.82 : 877,746.57 = 364,107.62 : x
  2. Step 2: Convert to fraction form
    636,040.82/877,746.57 = 364,107.62/x
  3. Step 3: Cross multiply
    636,040.82x = 877,746.57 × 364,107.62
  4. Step 4: Simplify right side
    636,040.82x = 319,594,214,565.86
  5. Step 5: Solve for x
    x = 319,594,214,565.86/636,040.82
  6. Step 6: Final answer
    x = 502,474.38

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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.