Home / 890,392.89-1,228,743.23-482,491.17

Finding the Fourth Proportional to 890,392.89, 1,228,743.23 and 482,491.17

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Solution

The fourth proportional to 890,392.89, 1,228,743.23 and 482,491.17 is: 665,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,392.89 : 1,228,743.23 = 482,491.17 : x
  2. Step 2: Convert to fraction form
    890,392.89/1,228,743.23 = 482,491.17/x
  3. Step 3: Cross multiply
    890,392.89x = 1,228,743.23 × 482,491.17
  4. Step 4: Simplify right side
    890,392.89x = 592,857,755,017.50
  5. Step 5: Solve for x
    x = 592,857,755,017.50/890,392.89
  6. Step 6: Final answer
    x = 665,838.37

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1.5x scale

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.