Home / 666,934.90-1,000,467.87-217,637.62

Finding the Fourth Proportional to 666,934.90, 1,000,467.87 and 217,637.62

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Solution

The fourth proportional to 666,934.90, 1,000,467.87 and 217,637.62 is: 326,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,934.90 : 1,000,467.87 = 217,637.62 : x
  2. Step 2: Convert to fraction form
    666,934.90/1,000,467.87 = 217,637.62/x
  3. Step 3: Cross multiply
    666,934.90x = 1,000,467.87 × 217,637.62
  4. Step 4: Simplify right side
    666,934.90x = 217,739,446,113.27
  5. Step 5: Solve for x
    x = 217,739,446,113.27/666,934.90
  6. Step 6: Final answer
    x = 326,477.81

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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.