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Finding the Fourth Proportional to 636,957.68, 878,901.23 and 364,973.24

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Solution

The fourth proportional to 636,957.68, 878,901.23 and 364,973.24 is: 503,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,957.68 : 878,901.23 = 364,973.24 : x
  2. Step 2: Convert to fraction form
    636,957.68/878,901.23 = 364,973.24/x
  3. Step 3: Cross multiply
    636,957.68x = 878,901.23 × 364,973.24
  4. Step 4: Simplify right side
    636,957.68x = 320,775,432,662.77
  5. Step 5: Solve for x
    x = 320,775,432,662.77/636,957.68
  6. Step 6: Final answer
    x = 503,605.57

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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.