Home / 818,008.24-1,226,864.62-285,681.51

Finding the Fourth Proportional to 818,008.24, 1,226,864.62 and 285,681.51

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Solution

The fourth proportional to 818,008.24, 1,226,864.62 and 285,681.51 is: 428,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,008.24 : 1,226,864.62 = 285,681.51 : x
  2. Step 2: Convert to fraction form
    818,008.24/1,226,864.62 = 285,681.51/x
  3. Step 3: Cross multiply
    818,008.24x = 1,226,864.62 × 285,681.51
  4. Step 4: Simplify right side
    818,008.24x = 350,492,537,207.18
  5. Step 5: Solve for x
    x = 350,492,537,207.18/818,008.24
  6. Step 6: Final answer
    x = 428,470.67

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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.