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Finding the Fourth Proportional to 636,511.92, 878,362.02 and 350,014.92

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Solution

The fourth proportional to 636,511.92, 878,362.02 and 350,014.92 is: 483,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,511.92 : 878,362.02 = 350,014.92 : x
  2. Step 2: Convert to fraction form
    636,511.92/878,362.02 = 350,014.92/x
  3. Step 3: Cross multiply
    636,511.92x = 878,362.02 × 350,014.92
  4. Step 4: Simplify right side
    636,511.92x = 307,439,812,161.34
  5. Step 5: Solve for x
    x = 307,439,812,161.34/636,511.92
  6. Step 6: Final answer
    x = 483,007.16

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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.