Home / 666,916.49-1,000,533.87-217,638.19

Finding the Fourth Proportional to 666,916.49, 1,000,533.87 and 217,638.19

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Solution

The fourth proportional to 666,916.49, 1,000,533.87 and 217,638.19 is: 326,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,916.49 : 1,000,533.87 = 217,638.19 : x
  2. Step 2: Convert to fraction form
    666,916.49/1,000,533.87 = 217,638.19/x
  3. Step 3: Cross multiply
    666,916.49x = 1,000,533.87 × 217,638.19
  4. Step 4: Simplify right side
    666,916.49x = 217,754,380,500.50
  5. Step 5: Solve for x
    x = 217,754,380,500.50/666,916.49
  6. Step 6: Final answer
    x = 326,509.22

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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.