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Finding the Fourth Proportional to 608,511.50, 913,215.71 and 288,664.37

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Solution

The fourth proportional to 608,511.50, 913,215.71 and 288,664.37 is: 433,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,511.50 : 913,215.71 = 288,664.37 : x
  2. Step 2: Convert to fraction form
    608,511.50/913,215.71 = 288,664.37/x
  3. Step 3: Cross multiply
    608,511.50x = 913,215.71 × 288,664.37
  4. Step 4: Simplify right side
    608,511.50x = 263,612,833,756.84
  5. Step 5: Solve for x
    x = 263,612,833,756.84/608,511.50
  6. Step 6: Final answer
    x = 433,209.29

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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.