Home / 666,569.55-1,000,012.73-217,293.39

Finding the Fourth Proportional to 666,569.55, 1,000,012.73 and 217,293.39

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Solution

The fourth proportional to 666,569.55, 1,000,012.73 and 217,293.39 is: 325,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,569.55 : 1,000,012.73 = 217,293.39 : x
  2. Step 2: Convert to fraction form
    666,569.55/1,000,012.73 = 217,293.39/x
  3. Step 3: Cross multiply
    666,569.55x = 1,000,012.73 × 217,293.39
  4. Step 4: Simplify right side
    666,569.55x = 217,296,155,058.39
  5. Step 5: Solve for x
    x = 217,296,155,058.39/666,569.55
  6. Step 6: Final answer
    x = 325,991.72

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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.