Home / 931,397.68-1,395,928.60-398,293.04

Finding the Fourth Proportional to 931,397.68, 1,395,928.60 and 398,293.04

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Solution

The fourth proportional to 931,397.68, 1,395,928.60 and 398,293.04 is: 596,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,397.68 : 1,395,928.60 = 398,293.04 : x
  2. Step 2: Convert to fraction form
    931,397.68/1,395,928.60 = 398,293.04/x
  3. Step 3: Cross multiply
    931,397.68x = 1,395,928.60 × 398,293.04
  4. Step 4: Simplify right side
    931,397.68x = 555,988,645,716.94
  5. Step 5: Solve for x
    x = 555,988,645,716.94/931,397.68
  6. Step 6: Final answer
    x = 596,940.12

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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.