Home / 752,213.04-1,038,143.16-450,400.56

Finding the Fourth Proportional to 752,213.04, 1,038,143.16 and 450,400.56

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Solution

The fourth proportional to 752,213.04, 1,038,143.16 and 450,400.56 is: 621,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,213.04 : 1,038,143.16 = 450,400.56 : x
  2. Step 2: Convert to fraction form
    752,213.04/1,038,143.16 = 450,400.56/x
  3. Step 3: Cross multiply
    752,213.04x = 1,038,143.16 × 450,400.56
  4. Step 4: Simplify right side
    752,213.04x = 467,580,260,624.17
  5. Step 5: Solve for x
    x = 467,580,260,624.17/752,213.04
  6. Step 6: Final answer
    x = 621,606.16

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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.