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Finding the Fourth Proportional to 636,673.68, 878,623.68 and 350,208.24

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Solution

The fourth proportional to 636,673.68, 878,623.68 and 350,208.24 is: 483,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,673.68 : 878,623.68 = 350,208.24 : x
  2. Step 2: Convert to fraction form
    636,673.68/878,623.68 = 350,208.24/x
  3. Step 3: Cross multiply
    636,673.68x = 878,623.68 × 350,208.24
  4. Step 4: Simplify right side
    636,673.68x = 307,701,252,595.12
  5. Step 5: Solve for x
    x = 307,701,252,595.12/636,673.68
  6. Step 6: Final answer
    x = 483,295.07

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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.