Home / 464,987.10-641,984.77-283,804.08

Finding the Fourth Proportional to 464,987.10, 641,984.77 and 283,804.08

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Solution

The fourth proportional to 464,987.10, 641,984.77 and 283,804.08 is: 391,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,987.10 : 641,984.77 = 283,804.08 : x
  2. Step 2: Convert to fraction form
    464,987.10/641,984.77 = 283,804.08/x
  3. Step 3: Cross multiply
    464,987.10x = 641,984.77 × 283,804.08
  4. Step 4: Simplify right side
    464,987.10x = 182,197,897,023.86
  5. Step 5: Solve for x
    x = 182,197,897,023.86/464,987.10
  6. Step 6: Final answer
    x = 391,834.30

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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.