Home / 901,981.79-1,244,754.97-514,789.50

Finding the Fourth Proportional to 901,981.79, 1,244,754.97 and 514,789.50

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Solution

The fourth proportional to 901,981.79, 1,244,754.97 and 514,789.50 is: 710,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,981.79 : 1,244,754.97 = 514,789.50 : x
  2. Step 2: Convert to fraction form
    901,981.79/1,244,754.97 = 514,789.50/x
  3. Step 3: Cross multiply
    901,981.79x = 1,244,754.97 × 514,789.50
  4. Step 4: Simplify right side
    901,981.79x = 640,786,789,956.64
  5. Step 5: Solve for x
    x = 640,786,789,956.64/901,981.79
  6. Step 6: Final answer
    x = 710,420.98

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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.