Home / 711,175.61-1,066,764.50-290,451.49

Finding the Fourth Proportional to 711,175.61, 1,066,764.50 and 290,451.49

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Solution

The fourth proportional to 711,175.61, 1,066,764.50 and 290,451.49 is: 435,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,175.61 : 1,066,764.50 = 290,451.49 : x
  2. Step 2: Convert to fraction form
    711,175.61/1,066,764.50 = 290,451.49/x
  3. Step 3: Cross multiply
    711,175.61x = 1,066,764.50 × 290,451.49
  4. Step 4: Simplify right side
    711,175.61x = 309,843,335,474.13
  5. Step 5: Solve for x
    x = 309,843,335,474.13/711,175.61
  6. Step 6: Final answer
    x = 435,677.67

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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.