Home / 931,302.66-1,395,785.84-398,197.92

Finding the Fourth Proportional to 931,302.66, 1,395,785.84 and 398,197.92

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Solution

The fourth proportional to 931,302.66, 1,395,785.84 and 398,197.92 is: 596,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,302.66 : 1,395,785.84 = 398,197.92 : x
  2. Step 2: Convert to fraction form
    931,302.66/1,395,785.84 = 398,197.92/x
  3. Step 3: Cross multiply
    931,302.66x = 1,395,785.84 × 398,197.92
  4. Step 4: Simplify right side
    931,302.66x = 555,799,018,253.45
  5. Step 5: Solve for x
    x = 555,799,018,253.45/931,302.66
  6. Step 6: Final answer
    x = 596,797.41

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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.