Home / 748,685.28-1,033,186.08-409,153.48

Finding the Fourth Proportional to 748,685.28, 1,033,186.08 and 409,153.48

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Solution

The fourth proportional to 748,685.28, 1,033,186.08 and 409,153.48 is: 564,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,685.28 : 1,033,186.08 = 409,153.48 : x
  2. Step 2: Convert to fraction form
    748,685.28/1,033,186.08 = 409,153.48/x
  3. Step 3: Cross multiply
    748,685.28x = 1,033,186.08 × 409,153.48
  4. Step 4: Simplify right side
    748,685.28x = 422,731,680,119.56
  5. Step 5: Solve for x
    x = 422,731,680,119.56/748,685.28
  6. Step 6: Final answer
    x = 564,632.02

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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.