Home / 754,274.89-1,130,664.97-354,199.49

Finding the Fourth Proportional to 754,274.89, 1,130,664.97 and 354,199.49

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Solution

The fourth proportional to 754,274.89, 1,130,664.97 and 354,199.49 is: 530,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,274.89 : 1,130,664.97 = 354,199.49 : x
  2. Step 2: Convert to fraction form
    754,274.89/1,130,664.97 = 354,199.49/x
  3. Step 3: Cross multiply
    754,274.89x = 1,130,664.97 × 354,199.49
  4. Step 4: Simplify right side
    754,274.89x = 400,480,955,734.87
  5. Step 5: Solve for x
    x = 400,480,955,734.87/754,274.89
  6. Step 6: Final answer
    x = 530,948.28

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1.5x scale

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.