Home / 674,212.16-1,011,468.90-253,491.68

Finding the Fourth Proportional to 674,212.16, 1,011,468.90 and 253,491.68

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Solution

The fourth proportional to 674,212.16, 1,011,468.90 and 253,491.68 is: 380,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,212.16 : 1,011,468.90 = 253,491.68 : x
  2. Step 2: Convert to fraction form
    674,212.16/1,011,468.90 = 253,491.68/x
  3. Step 3: Cross multiply
    674,212.16x = 1,011,468.90 × 253,491.68
  4. Step 4: Simplify right side
    674,212.16x = 256,398,950,728.75
  5. Step 5: Solve for x
    x = 256,398,950,728.75/674,212.16
  6. Step 6: Final answer
    x = 380,294.17

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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.