Home / 782,666.16-1,173,519.42-333,131.06

Finding the Fourth Proportional to 782,666.16, 1,173,519.42 and 333,131.06

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Solution

The fourth proportional to 782,666.16, 1,173,519.42 and 333,131.06 is: 499,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,666.16 : 1,173,519.42 = 333,131.06 : x
  2. Step 2: Convert to fraction form
    782,666.16/1,173,519.42 = 333,131.06/x
  3. Step 3: Cross multiply
    782,666.16x = 1,173,519.42 × 333,131.06
  4. Step 4: Simplify right side
    782,666.16x = 390,935,768,315.19
  5. Step 5: Solve for x
    x = 390,935,768,315.19/782,666.16
  6. Step 6: Final answer
    x = 499,492.36

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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.