Home / 667,570.23-1,001,119.64-288,475.65

Finding the Fourth Proportional to 667,570.23, 1,001,119.64 and 288,475.65

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Solution

The fourth proportional to 667,570.23, 1,001,119.64 and 288,475.65 is: 432,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,570.23 : 1,001,119.64 = 288,475.65 : x
  2. Step 2: Convert to fraction form
    667,570.23/1,001,119.64 = 288,475.65/x
  3. Step 3: Cross multiply
    667,570.23x = 1,001,119.64 × 288,475.65
  4. Step 4: Simplify right side
    667,570.23x = 288,798,637,434.39
  5. Step 5: Solve for x
    x = 288,798,637,434.39/667,570.23
  6. Step 6: Final answer
    x = 432,611.62

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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.