Home / 782,057.23-1,078,988.04-437,842.46

Finding the Fourth Proportional to 782,057.23, 1,078,988.04 and 437,842.46

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Solution

The fourth proportional to 782,057.23, 1,078,988.04 and 437,842.46 is: 604,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,057.23 : 1,078,988.04 = 437,842.46 : x
  2. Step 2: Convert to fraction form
    782,057.23/1,078,988.04 = 437,842.46/x
  3. Step 3: Cross multiply
    782,057.23x = 1,078,988.04 × 437,842.46
  4. Step 4: Simplify right side
    782,057.23x = 472,426,780,441.65
  5. Step 5: Solve for x
    x = 472,426,780,441.65/782,057.23
  6. Step 6: Final answer
    x = 604,082.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.