Home / 666,941.75-1,000,571.79-217,663.47

Finding the Fourth Proportional to 666,941.75, 1,000,571.79 and 217,663.47

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Solution

The fourth proportional to 666,941.75, 1,000,571.79 and 217,663.47 is: 326,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,941.75 : 1,000,571.79 = 217,663.47 : x
  2. Step 2: Convert to fraction form
    666,941.75/1,000,571.79 = 217,663.47/x
  3. Step 3: Cross multiply
    666,941.75x = 1,000,571.79 × 217,663.47
  4. Step 4: Simplify right side
    666,941.75x = 217,787,927,795.51
  5. Step 5: Solve for x
    x = 217,787,927,795.51/666,941.75
  6. Step 6: Final answer
    x = 326,547.15

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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.