Home / 711,151.80-1,066,881.30-212,566.20

Finding the Fourth Proportional to 711,151.80, 1,066,881.30 and 212,566.20

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Solution

The fourth proportional to 711,151.80, 1,066,881.30 and 212,566.20 is: 318,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,151.80 : 1,066,881.30 = 212,566.20 : x
  2. Step 2: Convert to fraction form
    711,151.80/1,066,881.30 = 212,566.20/x
  3. Step 3: Cross multiply
    711,151.80x = 1,066,881.30 × 212,566.20
  4. Step 4: Simplify right side
    711,151.80x = 226,782,903,792.06
  5. Step 5: Solve for x
    x = 226,782,903,792.06/711,151.80
  6. Step 6: Final answer
    x = 318,895.21

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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.