Home / 931,987.85-1,397,985.41-283,570.49

Finding the Fourth Proportional to 931,987.85, 1,397,985.41 and 283,570.49

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Solution

The fourth proportional to 931,987.85, 1,397,985.41 and 283,570.49 is: 425,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,987.85 : 1,397,985.41 = 283,570.49 : x
  2. Step 2: Convert to fraction form
    931,987.85/1,397,985.41 = 283,570.49/x
  3. Step 3: Cross multiply
    931,987.85x = 1,397,985.41 × 283,570.49
  4. Step 4: Simplify right side
    931,987.85x = 396,427,411,930.44
  5. Step 5: Solve for x
    x = 396,427,411,930.44/931,987.85
  6. Step 6: Final answer
    x = 425,356.85

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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.