Home / 752,366.49-1,038,262.91-412,840.41

Finding the Fourth Proportional to 752,366.49, 1,038,262.91 and 412,840.41

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Solution

The fourth proportional to 752,366.49, 1,038,262.91 and 412,840.41 is: 569,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,366.49 : 1,038,262.91 = 412,840.41 : x
  2. Step 2: Convert to fraction form
    752,366.49/1,038,262.91 = 412,840.41/x
  3. Step 3: Cross multiply
    752,366.49x = 1,038,262.91 × 412,840.41
  4. Step 4: Simplify right side
    752,366.49x = 428,636,883,387.99
  5. Step 5: Solve for x
    x = 428,636,883,387.99/752,366.49
  6. Step 6: Final answer
    x = 569,718.20

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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.